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CO2 Emissions (MtC/year)
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Year Global Mature Emerging
---------------------------
1850     54     54      .
1860     91     90      .
1870    147    144      .
1880    236    226      .
1890    356    342      .
1900    534    514      7
1910    819    784     26
1920    932    887     57
1930   1053    991     74
1940   1299   1195    117
1950   1630   1467    125
1960   2569   2086    426
1970   4053   3335    656
1980   5301   4037   1192
1990   6096   4137   1813
2000   6727   4111   2604
2005   8025   4274   3562
2010   9137   4147   4840
2011   9508   4129   5205
2012   9671   4070   5422
2013   9776   4061   5464
2014   9840   4041   5575
2015   9857   3980   5643
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