Year Number
1950 85.26
1951 86.593
1952 88.455
1953 90.15
1954 91.277
1955 91.775
1956 93.265
1957 93.888
1958 94.024
1959 94.067
1960 94.205
1961 94.967
1962 95.652
1963 96.223
1964 96.561
1965 96.625
1966 97.383
1967 97.816
1968 98.003
1969 98.019
1970 97.881
1971 98.529
1972 98.918
1973 99.107
1974 99.173
1975 99.173
1976 99.671
1977 100.02
1978 100.233
1979 100.292
1980 100.198
1981 100.735
1982 100.989
1983 101.044
1984 101.013
1985 100.973
1986 101.737
1987 102.275
1988 102.643
1989 102.874
1990 102.979
1991 104.075
1992 104.955
1993 105.626
1994 106.077
1995 106.307
1996 107.27
1997 107.886
1998 108.227
1999 108.392
2000 108.449
2001 108.632
2002 108.713
2003 108.704
2004 108.573
2005 108.3
2006 108.195
2007 107.87
2008 107.392
2009 106.825
2010 106.188
2011 105.676
2012 105.023
2013 104.248
2014 103.353
2015 102.345
2016 101.331
2017 100.21
2018 98.989
2019 97.675
2020 96.283
2021 95.077
2022 93.76
2023 92.378
2024 90.981
2025 89.598
2026 88.43
2027 87.245
2028 86.051
2029 84.851
2030 83.649
2031 82.645
2032 81.606
2033 80.55
2034 79.501
2035 78.469
2036 77.587
2037 76.696
2038 75.799
2039 74.897
2040 73.992
2041 73.198
2042 72.382
2043 71.555
2044 70.726
2045 69.903
2046 69.167
2047 68.427
2048 67.687
2049 66.949
2050 66.219
2051 65.571
2052 64.916
2053 64.266
2054 63.631
2055 63.019
2056 62.48
2057 61.949
2058 61.429
2059 60.921
2060 60.426
2061 59.984
2062 59.547
2063 59.119
2064 58.705
2065 58.308
2066 57.966
2067 57.625
2068 57.292
2069 56.975
2070 56.678
2071 56.416
2072 56.17
2073 55.936
2074 55.709
2075 55.488
2076 55.304
2077 55.112
2078 54.921
2079 54.748
2080 54.601
2081 54.475
2082 54.368
2083 54.279
2084 54.2
2085 54.131
2086 54.082
2087 54.034
2088 53.992
2089 53.967
2090 53.964
2091 53.976
2092 54
2093 54.035
2094 54.084
2095 54.147
2096 54.213
2097 54.285
2098 54.369
2099 54.466
2100 54.576