1979.1309635173059, 335.8766233766234
1979.5425631431244, 336.80194805194805
1979.9728718428437, 337.67857142857144
1980.309635173059, 338.4577922077922
1980.7025257249766, 339.0909090909091
1981.2263797942, 339.6266233766234
1981.7689429373245, 340.1136363636364
1982.1618334892423, 340.50324675324674
1982.6482694106642, 340.9415584415584
1983.115996258185, 341.47727272727275
1983.5275958840036, 342.3538961038961
1983.9766136576238, 342.987012987013
1984.444340505145, 343.66883116883116
1984.9120673526659, 344.35064935064935
1985.3236669784844, 344.93506493506493
1985.7726847521046, 345.5194805194805
1986.2591206735267, 345.9577922077922
1986.7642656688492, 346.7857142857143
1987.0823199251636, 347.37012987012986
1987.4939195509821, 348.538961038961
1987.8306828811974, 349.512987012987
1988.1674462114124, 350.2922077922078
1988.579045837231, 351.21753246753246
1988.9906454630495, 351.85064935064935
1989.4396632366697, 352.48376623376623
1989.9073900841909, 352.9707792207792
1990.3376987839101, 353.5064935064935
1990.7305893358277, 354.237012987013
1991.1983161833489, 354.82142857142856
1991.647333956969, 355.3084415584416
1992.1524789522919, 355.74675324675326
1992.5453695042095, 356.0876623376623
1993.0505144995323, 356.33116883116884
1993.4995322731525, 356.7207792207792
1993.9485500467727, 357.4025974025974
1994.3414405986903, 357.88961038961037
1994.7904583723105, 358.71753246753246
1995.1646398503274, 359.44805194805195
1995.576239476146, 360.27597402597405
1995.913002806361, 361.0064935064935
1996.268475210477, 361.5909090909091
1996.7174929840971, 362.22402597402595
1997.1852198316183, 362.8084415584416
1997.6155285313375, 363.44155844155847
1997.9897100093544, 363.97727272727275
1998.2703461178671, 364.56168831168833
1998.644527595884, 365.2435064935065