Year,Value,NumPoints
1949,0.213861,51
1950,-0.160113,51
1951,0.0454576,51
1952,-1.0617,51
1953,-1.14206,51
1954,-0.0307999,51
1955,0.0837448,51
1956,-0.322115,51
1957,-0.0272323,51
1958,-1.39676,51
1959,-0.76102,51
1960,-1.1977,51
1961,-0.64832,51
1962,0.135955,51
1963,-0.182373,51
1964,0.0366216,51
1965,0.140027,51
1966,-0.426619,51
1967,1.00436,51
1968,-0.901654,51
1969,-1.36321,51
1970,-0.537772,51
1971,-0.370655,51
1972,-0.22511,51
1973,-0.297396,51
1974,-1.02419,51
1975,-0.123589,51
1976,-1.06467,51
1977,-0.794542,51
1978,-0.632592,51
1979,-0.445022,51
1980,-1.41449,51
1981,-0.998044,51
1982,-0.550624,51
1983,-1.41998,51
1984,-0.617954,51
1985,0.0787707,51
1986,-1.07564,51
1987,-0.998603,51
1988,-1.42286,51
1989,0.596841,51
1990,0.339706,51
1991,-0.92208,51
1992,-0.255685,51
1993,0.161499,51
1994,-0.628087,51
1995,-1.46653,51
1996,-0.123151,51
1997,-0.800093,51
1998,-1.02902,51
1999,-0.840371,51
2000,-0.56945,51
2001,-0.912618,51
2002,-0.0896956,51
2003,-0.307364,51
2004,-0.770495,51
2005,-1.09281,51
2006,-0.0801464,51
2007,-1.20812,51
2008,-0.718996,51
2009,-0.352885,51
2010,-1.44831,51
2011,-0.46034,51
2012,-1.07142,51
2013,0.0538382,51
2014,-0.993548,51
2015,-0.100439,51
2016,-1.11165,51
2017,0.239839,51
2018,-0.0362847,51
2019,0.0389271,51
2020,0.0181825,51
2021,0.327469,51