Year Number
1950 90.363
1951 90.35
1952 89.843
1953 89.145
1954 88.39
1955 87.591
1956 87.599
1957 87.505
1958 87.258
1959 86.823
1960 86.216
1961 86.617
1962 86.641
1963 86.439
1964 86.192
1965 85.99
1966 86.64
1967 87.145
1968 87.521
1969 87.735
1970 87.765
1971 88.539
1972 89.03
1973 89.291
1974 89.385
1975 89.356
1976 89.981
1977 90.351
1978 90.527
1979 90.557
1980 90.458
1981 91.075
1982 91.527
1983 91.837
1984 92.032
1985 92.152
1986 92.948
1987 93.464
1988 93.811
1989 94.122
1990 94.492
1991 95.362
1992 96.098
1993 96.707
1994 97.091
1995 97.133
1996 97.829
1997 98.191
1998 98.248
1999 98.123
2000 97.939
2001 98.286
2002 98.456
2003 98.491
2004 98.387
2005 98.149
2006 98.439
2007 98.436
2008 98.236
2009 97.939
2010 97.582
2011 97.548
2012 97.372
2013 97.052
2014 96.565
2015 95.913
2016 95.464
2017 94.823
2018 94.027
2019 93.122
2020 92.137
2021 91.403
2022 90.535
2023 89.574
2024 88.557
2025 87.509
2026 86.681
2027 85.789
2028 84.846
2029 83.862
2030 82.847
2031 82.028
2032 81.142
2033 80.21
2034 79.254
2035 78.286
2036 77.473
2037 76.622
2038 75.741
2039 74.838
2040 73.918
2041 73.119
2042 72.286
2043 71.431
2044 70.569
2045 69.711
2046 68.96
2047 68.194
2048 67.424
2049 66.658
2050 65.904
2051 65.244
2052 64.584
2053 63.929
2054 63.282
2055 62.647
2056 62.101
2057 61.551
2058 61.005
2059 60.471
2060 59.953
2061 59.5
2062 59.053
2063 58.617
2064 58.197
2065 57.796
2066 57.462
2067 57.133
2068 56.813
2069 56.51
2070 56.228
2071 55.993
2072 55.77
2073 55.558
2074 55.356
2075 55.165
2076 55.011
2077 54.856
2078 54.705
2079 54.565
2080 54.444
2081 54.35
2082 54.263
2083 54.186
2084 54.118
2085 54.06
2086 54.023
2087 53.988
2088 53.959
2089 53.943
2090 53.946
2091 53.968
2092 54
2093 54.044
2094 54.102
2095 54.176
2096 54.261
2097 54.353
2098 54.456
2099 54.573
2100 54.706