Smoothed Sunspot Numbers Royal Observtory of Belsium SILSO version 2 ---------------------------- year ssn ---------------------------- 1975.042 33.0 1975.123 31.8 1975.204 30.6 1975.288 26.8 1975.371 24.2 1975.455 23.2 1975.538 21.8 1975.623 20.7 1975.707 20.9 1975.790 22.3 1975.874 23.3 1975.958 23.6 1976.042 22.1 1976.124 19.2 1976.206 17.8 1976.290 18.4 1976.373 18.3 1976.456 17.9 1976.540 18.8 1976.624 20.5 1976.708 20.8 1976.791 19.7 1976.874 19.7 1976.958 21.6 1977.042 24.3 1977.123 26.3 1977.204 28.8 1977.288 31.9 1977.371 34.7 1977.455 37.7 1977.538 41.4 1977.623 47.6 1977.707 55.8 1977.790 64.8 1977.874 73.7 1977.958 80.7 1978.042 86.9 1978.123 91.5 1978.204 98.7 1978.288 109.0 1978.371 117.8 1978.455 126.6 1978.538 138.0 1978.623 147.3 1978.707 153.6 1978.790 157.3 1978.874 160.4 1978.958 166.7 1979.042 175.2 1979.123 185.4 1979.204 193.3 1979.288 199.9 1979.371 208.5 1979.455 216.7 1979.538 219.5 1979.623 220.1 1979.707 220.4 1979.790 223.4 1979.874 229.8 1979.958 232.9 1980.042 232.0 1980.124 230.2 1980.206 227.9 1980.290 224.6 1980.373 221.3 1980.456 219.1 1980.540 216.1 1980.624 212.0 1980.708 211.5 1980.791 211.9 1980.874 209.1 1980.958 202.8 1981.042 199.6 1981.123 202.2 1981.204 205.4 1981.288 205.7 1981.371 204.1 1981.455 200.9 1981.538 198.5 1981.623 199.9 1981.707 202.7 1981.790 201.4 1981.874 196.0 1981.958 194.1 1982.042 192.7 1982.123 186.6 1982.204 180.0 1982.288 173.4 1982.371 167.5 1982.455 164.0 1982.538 161.5 1982.623 153.5 1982.707 141.4 1982.790 133.3 1982.874 131.3 1982.958 130.5 1983.042 127.9 1983.123 123.9 1983.204 117.1 1983.288 110.5 1983.371 104.5 1983.455 95.9 1983.538 89.1 1983.623 88.9 1983.707 91.7 1983.790 92.0 1983.874 89.7 1983.958 85.5 1984.042 80.5 1984.124 75.8 1984.206 71.2 1984.290 66.8 1984.373 63.5 1984.456 61.7 1984.540 58.3 1984.624 52.2 1984.708 44.3 1984.791 37.2 1984.874 31.6 1984.958 27.4 1985.042 25.2 1985.123 23.5 1985.204 21.7 1985.288 21.3 1985.371 21.4 1985.455 20.8 1985.538 19.9 1985.623 19.6 1985.707 19.8 1985.790 19.7 1985.874 19.1 1985.958 17.3 1986.042 15.2 1986.123 14.3 1986.204 14.3 1986.288 15.1 1986.371 15.8 1986.455 15.2 1986.538 15.1 1986.623 14.4 1986.707 13.5 1986.790 14.7 1986.874 16.6 1986.958 18.3 1987.042 19.9 1987.123 22.3 1987.204 25.5 1987.288 28.0 1987.371 30.3 1987.455 32.7 1987.538 36.2 1987.623 40.5 1987.707 45.3 1987.790 51.0 1987.874 55.1 1987.958 60.9 1988.042 69.2 1988.124 76.9 1988.206 84.9 1988.290 93.0 1988.373 101.4 1988.456 114.3 1988.540 128.5 1988.624 141.1 1988.708 151.2 1988.791 156.9 1988.874 164.4 1988.958 176.1 1989.042 184.8 1989.123 190.7 1989.204 198.0 1989.288 203.8 1989.371 209.5 1989.455 212.1 1989.538 212.0 1989.623 211.1 1989.707 210.5 1989.790 212.4 1989.874 212.5 1989.958 206.2 1990.042 201.2 1990.123 202.4 1990.204 200.9 1990.288 198.1 1990.371 195.1 1990.455 192.0 1990.538 190.1 1990.623 191.6 1990.707 194.6 1990.790 195.2 1990.874 195.2 1990.958 197.8 1991.042 202.8 1991.123 204.4 1991.204 203.9 1991.288 203.8 1991.371 202.9 1991.455 202.8 1991.538 203.5 1991.623 203.3 1991.707 200.9 1991.790 196.7 1991.874 191.4 1991.958 183.1 1992.042 172.6 1992.124 161.1 1992.206 151.8 1992.290 146.0 1992.373 142.1 1992.456 137.1 1992.540 128.5 1992.624 119.3 1992.708 113.0 1992.791 109.0 1992.874 106.3 1992.958 104.5 1993.042 101.9 1993.123 99.3 1993.204 95.4 1993.288 90.2 1993.371 84.2 1993.455 78.6 1993.538 76.5 1993.623 73.6 1993.707 68.3 1993.790 63.2 1993.874 58.4 1993.958 55.1 1994.042 52.6 1994.123 50.2 1994.204 49.4 1994.288 49.6 1994.371 48.7 1994.455 46.4 1994.538 42.7 1994.623 40.1 1994.707 39.7 1994.790 39.4 1994.874 38.7 1994.958 37.6 1995.042 35.6 1995.123 33.7 1995.204 32.0 1995.288 29.4 1995.371 27.3 1995.455 25.9 1995.538 24.4 1995.623 22.0 1995.707 19.0 1995.790 17.0 1995.874 15.9 1995.958 15.1 1996.042 14.5 1996.124 14.2 1996.206 13.7 1996.290 12.0 1996.373 11.2 1996.456 11.6 1996.540 11.3 1996.624 11.2 1996.708 11.3 1996.791 12.0 1996.874 13.4 1996.958 14.3 1997.042 14.5 1997.123 15.2 1997.204 18.3 1997.288 22.0 1997.371 24.4 1997.455 27.2 1997.538 30.4 1997.623 33.6 1997.707 38.2 1997.790 43.1 1997.874 47.1 1997.958 52.0 1998.042 58.4 1998.123 65.4 1998.204 72.0 1998.288 76.9 1998.371 80.8 1998.455 85.4 1998.538 89.8 1998.623 93.5 1998.707 96.4 1998.790 98.2 1998.874 102.4 1998.958 110.4 1999.042 118.4 1999.123 122.5 1999.204 122.3 1999.288 125.0 1999.371 132.6 1999.455 136.3 1999.538 138.1 1999.623 142.9 1999.707 150.5 1999.790 159.3 1999.874 164.1 1999.958 164.0 2000.042 166.1 2000.124 170.6 2000.206 174.3 2000.290 175.2 2000.373 172.9 2000.456 172.7 2000.540 174.2 2000.624 172.8 2000.708 168.8 2000.791 165.3 2000.874 163.1 2000.958 162.7 2001.042 158.3 2001.123 152.5 2001.204 155.1 2001.288 160.7 2001.371 163.7 2001.455 167.4 2001.538 172.0 2001.623 175.8 2001.707 177.1 2001.790 177.3 2001.874 180.3 2001.958 179.1 2002.042 177.6 2002.123 179.7 2002.204 178.2 2002.288 174.4 2002.371 171.3 2002.455 166.9 2002.538 161.5 2002.623 155.4 2002.707 149.5 2002.790 143.9 2002.874 136.0 2002.958 131.4 2003.042 129.6 2003.123 125.7 2003.204 118.7 2003.288 111.9 2003.371 107.0 2003.455 101.7 2003.538 96.0 2003.623 92.9 2003.707 91.8 2003.790 89.1 2003.874 86.9 2003.958 84.1 2004.042 80.1 2004.124 76.4 2004.206 73.2 2004.290 71.0 2004.373 69.5 2004.456 67.1 2004.540 64.8 2004.624 63.0 2004.708 60.2 2004.791 57.9 2004.874 56.6 2004.958 55.7 2005.042 54.5 2005.123 53.2 2005.204 52.3 2005.288 49.3 2005.371 45.0 2005.455 44.5 2005.538 44.6 2005.623 41.9 2005.707 39.4 2005.790 38.9 2005.874 38.4 2005.958 36.0 2006.042 33.0 2006.123 29.7 2006.204 27.4 2006.288 27.0 2006.371 27.4 2006.455 26.2 2006.538 25.0 2006.623 25.9 2006.707 26.0 2006.790 23.7 2006.874 21.1 2006.958 20.2 2007.042 19.8 2007.123 19.0 2007.204 17.7 2007.288 16.4 2007.371 14.4 2007.455 12.8 2007.538 11.6 2007.623 9.9 2007.707 9.6 2007.790 9.9 2007.874 9.2 2007.958 7.9 2008.042 6.6 2008.124 5.6 2008.206 5.1 2008.290 5.1 2008.373 5.4 2008.456 4.8 2008.540 4.0 2008.624 3.8 2008.708 3.2 2008.791 2.4 2008.874 2.3 2008.958 2.2 2009.042 2.5 2009.123 2.7 2009.204 2.9 2009.288 3.3 2009.371 3.5 2009.455 4.1 2009.538 5.5 2009.623 7.4 2009.707 9.5 2009.790 10.9 2009.874 11.7 2009.958 12.7 2010.042 14.0 2010.123 16.1 2010.204 18.5 2010.288 20.8 2010.371 23.1 2010.455 24.6 2010.538 25.2 2010.623 26.4 2010.707 29.5 2010.790 34.5 2010.874 39.1 2010.958 42.5 2011.042 45.7 2011.123 48.8 2011.204 53.8 2011.288 61.1 2011.371 69.3 2011.455 77.2 2011.538 83.6 2011.623 86.3 2011.707 86.6 2011.790 87.4 2011.874 89.4 2011.958 92.5 2012.042 95.5 2012.124 98.2 2012.206 98.3 2012.290 95.1 2012.373 90.9 2012.456 86.6 2012.540 84.5 2012.624 85.1 2012.708 85.3 2012.791 85.8 2012.874 87.7 2012.958 88.1 2013.042 86.8 2013.123 86.1 2013.204 84.4 2013.288 84.3 2013.371 87.0 2013.455 90.9 2013.538 94.6 2013.623 99.0 2013.707 104.7 2013.790 107.0 2013.874 106.9 2013.958 107.6 2014.042 109.3 2014.123 110.5 2014.204 114.3 2014.288 116.4 2014.371 115.0 2014.455 114.1 2014.538 112.6 2014.623 108.3 2014.707 101.9 2014.790 97.3 2014.874 94.7 2014.958 92.2 2015.042 89.3 2015.123 86.1 2015.204 82.1 2015.288 78.9 2015.371 76.1 2015.455 72.1 2015.538 68.3 2015.623 66.4 2015.707 65.9 2015.790 64.3 2015.874 61.2 2015.958 57.8 2016.042 54.4 2016.124 52.5 2016.206 50.4 2016.288 47.8 2016.373 44.8 2016.455 41.5 2016.540 38.5 2016.624 36.0 2016.706 33.2 2016.791 31.4 2016.873 29.9 ----------------------------