YEAR,AREA_CUT_B,AREA_CUT_N,CUM_AREA_B,CUM_AREA_N,CUM_PCUT_B,CUM_PCUT_N,DIF_PCUT " 1914"," 0.000"," 0.000"," 0.000"," 0.000"," 0.000"," 0.000"," 0.00" " 1920"," 0.366"," 0.000"," 0.366"," 0.000"," 0.131"," 0.000"," 0.13" " 1930"," 2.163"," 0.000"," 2.529"," 0.000"," 0.906"," 0.000"," 0.91" " 1940"," 0.000"," 0.163"," 2.529"," 0.163"," 0.906"," 0.029"," 0.88" " 1941"," 0.000"," 0.000"," 2.529"," 0.163"," 0.906"," 0.029"," 0.88" " 1942"," 0.000"," 0.000"," 2.529"," 0.163"," 0.906"," 0.029"," 0.88" " 1943"," 0.000"," 0.000"," 2.529"," 0.163"," 0.906"," 0.029"," 0.88" " 1944"," 0.000"," 0.000"," 2.529"," 0.163"," 0.906"," 0.029"," 0.88" " 1945"," 0.000"," 0.592"," 2.529"," 0.755"," 0.906"," 0.135"," 0.77" " 1946"," 0.000"," 0.675"," 2.529"," 1.430"," 0.906"," 0.256"," 0.65" " 1947"," 0.000"," 0.000"," 2.529"," 1.430"," 0.906"," 0.256"," 0.65" " 1948"," 0.000"," 1.014"," 2.529"," 2.444"," 0.906"," 0.437"," 0.47" " 1949"," 0.000"," 0.053"," 2.529"," 2.497"," 0.906"," 0.447"," 0.46" " 1950"," 0.000"," 0.428"," 2.529"," 2.925"," 0.906"," 0.523"," 0.38" " 1951"," 0.000"," 0.427"," 2.529"," 3.351"," 0.906"," 0.599"," 0.31" " 1952"," 0.353"," 0.000"," 2.882"," 3.351"," 1.033"," 0.599"," 0.43" " 1953"," 0.153"," 1.176"," 3.034"," 4.527"," 1.087"," 0.810"," 0.28" " 1954"," 0.408"," 2.156"," 3.442"," 6.683"," 1.234"," 1.195"," 0.04" " 1955"," 0.000"," 0.620"," 3.442"," 7.303"," 1.234"," 1.306"," -0.07" " 1956"," 0.000"," 0.799"," 3.442"," 8.102"," 1.234"," 1.449"," -0.22" " 1957"," 0.218"," 0.641"," 3.659"," 8.743"," 1.312"," 1.564"," -0.25" " 1958"," 0.000"," 1.693"," 3.659"," 10.436"," 1.312"," 1.867"," -0.56" " 1959"," 1.549"," 1.237"," 5.208"," 11.673"," 1.867"," 2.088"," -0.22" " 1960"," 0.307"," 0.026"," 5.515"," 11.699"," 1.977"," 2.093"," -0.12" " 1961"," 2.658"," 2.358"," 8.173"," 14.056"," 2.929"," 2.515"," 0.41" " 1962"," 0.270"," 1.552"," 8.442"," 15.609"," 3.026"," 2.792"," 0.23" " 1963"," 2.051"," 0.674"," 10.493"," 16.282"," 3.761"," 2.913"," 0.85" " 1964"," 2.052"," 3.443"," 12.545"," 19.725"," 4.496"," 3.529"," 0.97" " 1965"," 2.703"," 1.956"," 15.247"," 21.681"," 5.465"," 3.879"," 1.59" " 1966"," 1.932"," 1.087"," 17.179"," 22.768"," 6.157"," 4.073"," 2.08" " 1967"," 1.511"," 1.141"," 18.690"," 23.909"," 6.699"," 4.277"," 2.42" " 1968"," 0.495"," 1.787"," 19.185"," 25.697"," 6.876"," 4.597"," 2.28" " 1969"," 0.136"," 0.716"," 19.320"," 26.413"," 6.925"," 4.725"," 2.20" " 1970"," 1.597"," 1.517"," 20.917"," 27.930"," 7.497"," 4.996"," 2.50" " 1971"," 0.380"," 0.550"," 21.296"," 28.480"," 7.633"," 5.095"," 2.54" " 1972"," 0.245"," 3.956"," 21.541"," 32.436"," 7.721"," 5.803"," 1.92" " 1973"," 2.455"," 3.796"," 23.996"," 36.232"," 8.601"," 6.482"," 2.12" " 1974"," 1.066"," 1.299"," 25.062"," 37.531"," 8.983"," 6.714"," 2.27" " 1975"," 1.212"," 1.614"," 26.274"," 39.145"," 9.417"," 7.003"," 2.41" " 1976"," 1.534"," 3.065"," 27.808"," 42.210"," 9.967"," 7.551"," 2.42" " 1977"," 0.828"," 2.216"," 28.636"," 44.426"," 10.264"," 7.947"," 2.32" " 1978"," 1.289"," 0.638"," 29.924"," 45.064"," 10.726"," 8.062"," 2.66" " 1979"," 0.208"," 0.716"," 30.132"," 45.780"," 10.800"," 8.190"," 2.61" " 1980"," 1.524"," 0.418"," 31.656"," 46.198"," 11.346"," 8.264"," 3.08" " 1981"," 0.940"," 0.751"," 32.596"," 46.949"," 11.683"," 8.399"," 3.28" " 1982"," 0.588"," 0.766"," 33.184"," 47.715"," 11.894"," 8.536"," 3.36" " 1983"," 0.684"," 3.169"," 33.867"," 50.884"," 12.139"," 9.103"," 3.04" " 1984"," 1.998"," 3.246"," 35.865"," 54.130"," 12.855"," 9.683"," 3.17" " 1985"," 0.279"," 2.415"," 36.144"," 56.545"," 12.955"," 10.115"," 2.84" " 1986"," 2.557"," 3.016"," 38.702"," 59.562"," 13.872"," 10.655"," 3.22" " 1987"," 1.057"," 2.960"," 39.758"," 62.521"," 14.250"," 11.184"," 3.07" " 1988"," 0.581"," 2.386"," 40.339"," 64.907"," 14.458"," 11.611"," 2.85" " 1989"," 0.461"," 1.415"," 40.800"," 66.322"," 14.624"," 11.864"," 2.76" " 1990"," 0.000"," 0.037"," 40.800"," 66.358"," 14.624"," 11.871"," 2.75"