Year Number
1950 73.696
1951 74.16
1952 74.052
1953 73.633
1954 73.024
1955 72.242
1956 72.594
1957 72.664
1958 72.447
1959 71.953
1960 71.224
1961 71.827
1962 71.962
1963 71.776
1964 71.436
1965 71.026
1966 71.799
1967 72.306
1968 72.605
1969 72.742
1970 72.768
1971 73.876
1972 74.756
1973 75.47
1974 76.058
1975 76.548
1976 78.016
1977 79.19
1978 80.152
1979 80.988
1980 81.734
1981 83.24
1982 84.502
1983 85.533
1984 86.357
1985 87.02
1986 88.305
1987 89.288
1988 89.963
1989 90.198
1990 89.812
1991 90.529
1992 90.768
1993 90.507
1994 89.897
1995 89.172
1996 89.216
1997 88.915
1998 88.422
1999 87.922
2000 87.634
2001 87.813
2002 87.699
2003 87.453
2004 87.092
2005 86.517
2006 86.692
2007 86.731
2008 86.542
2009 86.08
2010 85.371
2011 85.158
2012 84.62
2013 83.841
2014 82.925
2015 81.925
2016 81.044
2017 80.132
2018 79.137
2019 77.987
2020 76.673
2021 75.664
2022 74.454
2023 73.125
2024 71.787
2025 70.5
2026 69.456
2027 68.428
2028 67.403
2029 66.349
2030 65.261
2031 64.379
2032 63.453
2033 62.499
2034 61.542
2035 60.6
2036 59.866
2037 59.113
2038 58.35
2039 57.586
2040 56.828
2041 56.24
2042 55.637
2043 55.024
2044 54.407
2045 53.793
2046 53.331
2047 52.854
2048 52.363
2049 51.863
2050 51.36
2051 50.995
2052 50.605
2053 50.198
2054 49.781
2055 49.361
2056 49.061
2057 48.744
2058 48.417
2059 48.089
2060 47.765
2061 47.578
2062 47.375
2063 47.164
2064 46.955
2065 46.759
2066 46.697
2067 46.623
2068 46.546
2069 46.47
2070 46.404
2071 46.473
2072 46.527
2073 46.566
2074 46.584
2075 46.584
2076 46.692
2077 46.761
2078 46.803
2079 46.829
2080 46.849
2081 46.994
2082 47.111
2083 47.204
2084 47.276
2085 47.333
2086 47.52
2087 47.669
2088 47.787
2089 47.883
2090 47.964
2091 48.185
2092 48.368
2093 48.52
2094 48.647
2095 48.753
2096 49.007
2097 49.217
2098 49.388
2099 49.529
2100 49.646