"Year","Core sample","All industries","4*minimum threshold","Pareto imputation fixed effect" 1951,0.5410101,0.5106444,0.58017,0.580503 1952,0.5371958,0.5172994,0.5839025,0.5839457 1953,0.5498209,0.515426,0.5871414,0.5872914 1954,0.5534922,0.5106182,0.5807543,0.5809184 1955,0.5537905,0.507818,0.5726912,0.5736454 1956,0.5583456,0.5013411,0.5713513,0.5720856 1957,0.5573705,0.5031741,0.56747,0.5678314 1958,0.5534004,0.5011174,0.5647666,0.5651413 1959,0.547001,0.503806,0.5600805,0.5599915 1960,0.5422727,0.4973435,0.5547686,0.554577 1961,0.5370663,0.4897186,0.5463635,0.5465336 1962,0.5352704,0.4820714,0.5422635,0.5423096 1963,0.5273072,0.4759167,0.5342055,0.5342946 1964,0.5202104,0.470834,0.5271118,0.5272823 1965,0.5153053,0.4663953,0.5207551,0.5208579 1966,0.5110453,0.4615123,0.5173234,0.5174896 1967,0.5065902,0.4592713,0.5114543,0.5114824 1968,0.5057001,0.4597426,0.5122604,0.5123416 1969,0.5034867,0.4611047,0.5112595,0.5113886 1970,0.4978965,0.4603459,0.5085427,0.5086096 1971,0.492977,0.456089,0.5033205,0.5033756 1972,0.488179,0.4517733,0.4975156,0.4975991 1973,0.4836623,0.4457669,0.4907347,0.4907709 1974,0.4794684,0.4425627,0.487115,0.4871551 1975,0.4772511,0.4413876,0.4855236,0.4855621 1976,0.4770056,0.4438781,0.4871459,0.4871978 1977,0.4787042,0.445467,0.4887982,0.4888312 1978,0.4810743,0.4475747,0.4937037,0.49373 1979,0.4798576,0.4484756,0.4936987,0.4937184