Year,Value,NumPoints
1949,4.0897,51
1950,0.596435,51
1951,3.47099,51
1952,3.12471,51
1953,2.9765,51
1954,1.49708,51
1955,2.24297,51
1956,1.63929,51
1957,3.37065,51
1958,4.37608,51
1959,1.09521,51
1960,3.12046,51
1961,3.38421,51
1962,1.00631,51
1963,2.962,51
1964,1.65758,51
1965,3.55477,51
1966,1.93478,51
1967,1.86523,51
1968,1.9485,51
1969,3.67004,51
1970,2.72882,51
1971,2.92767,51
1972,0.852165,51
1973,2.71862,51
1974,1.15191,51
1975,2.97402,51
1976,5.15191,51
1977,4.51186,51
1978,3.70022,51
1979,3.62306,51
1980,4.21546,51
1981,4.41007,51
1982,2.07991,51
1983,3.35505,51
1984,2.60092,51
1985,3.71729,51
1986,3.33765,51
1987,4.91598,51
1988,5.23349,51
1989,3.8304,51
1990,1.98842,51
1991,2.81046,51
1992,3.33371,51
1993,6.26793,51
1994,4.05816,51
1995,3.78618,51
1996,-0.134996,51
1997,2.66326,51
1998,5.71273,51
1999,3.63625,51
2000,3.42494,51
2001,3.25165,51
2002,3.55694,51
2003,3.26068,51
2004,3.74634,51
2005,3.36538,51
2006,2.72051,51
2007,3.55505,51
2008,3.40333,51
2009,4.1886,51
2010,2.85898,51
2011,1.81783,51
2012,2.16032,51
2013,3.28618,51
2014,3.01231,51
2015,3.74328,51
2016,3.55892,51
2017,1.97927,51
2018,2.48354,51
2019,4.53842,51
2020,2.46585,51
2021,2.06818,51