Year,Value,Rank
1950,-0.817,65
1951,-0.451,53
1952,-0.711,63
1953,-0.422,52
1954,-1.25,69
1955,-0.877,67
1956,0.695,18
1957,-0.793,64
1958,-1.861,73
1959,0.046,37
1960,-0.615,60
1961,-2.548,76
1962,-1.744,71
1963,-2.527,75
1964,-0.645,62
1965,-0.034,38
1966,-0.26,45
1967,-0.642,61
1968,-0.581,59
1969,-1.495,70
1970,-0.397,50
1971,1.704,3
1972,0.867,15
1973,2.159,1
1974,1.37,6
1975,1.161,10
1976,0.15,34
1977,1.018,13
1978,0.67,19
1979,0.437,30
1980,0.397,32
1981,0.067,36
1982,0.495,26
1983,0.533,24
1984,1.361,7
1985,1.443,5
1986,1.598,4
1987,0.63,21
1988,0.184,33
1989,1.986,2
1990,1.233,9
1991,0.454,28
1992,-0.043,39
1993,0.602,23
1994,1.098,11
1995,-0.08,40
1996,0.9,14
1997,-0.417,51
1998,0.666,20
1999,0.437,29
2000,1.248,8
2001,0.743,17
2002,0.519,25
2003,0.606,22
2004,0.471,27
2005,-0.848,66
2006,-0.541,56
2007,-0.394,49
2008,-0.254,44
2009,1.049,12
2010,-0.542,57
2011,-0.387,48
2012,-0.315,46
2013,0.78,16
2014,0.403,31
2015,0.079,35
2016,-0.252,43
2017,-0.879,68
2018,-0.2,41
2019,-0.543,58
2020,-0.497,55
2021,-0.47,54
2022,-0.239,42
2023,-1.78,72
2024,-2.506,74
2025,-0.37,47