Year Number
1950 82.037
1951 83.451
1952 85.388
1953 86.925
1954 87.831
1955 88.286
1956 90.096
1957 90.939
1958 91.385
1959 91.917
1960 92.68
1961 93.551
1962 94.7
1963 95.853
1964 96.57
1965 96.674
1966 96.925
1967 96.605
1968 95.878
1969 94.989
1970 94.067
1971 93.601
1972 92.924
1973 92.105
1974 91.18
1975 90.161
1976 89.417
1977 88.536
1978 87.53
1979 86.394
1980 85.138
1981 84.043
1982 82.848
1983 81.583
1984 80.288
1985 78.996
1986 77.965
1987 76.911
1988 75.858
1989 74.818
1990 73.791
1991 72.995
1992 72.146
1993 71.275
1994 70.412
1995 69.563
1996 68.866
1997 68.196
1998 67.515
1999 66.766
2000 65.93
2001 65.208
2002 64.38
2003 63.5
2004 62.654
2005 61.892
2006 61.015
2007 60.284
2008 59.639
2009 58.993
2010 58.315
2011 57.738
2012 57.098
2013 56.468
2014 55.948
2015 55.578
2016 55.294
2017 55.139
2018 55.065
2019 55
2020 54.904
2021 54.77
2022 54.621
2023 54.463
2024 54.311
2025 54.177
2026 54.022
2027 53.883
2028 53.764
2029 53.67
2030 53.607
2031 53.537
2032 53.497
2033 53.489
2034 53.516
2035 53.575
2036 53.614
2037 53.692
2038 53.802
2039 53.935
2040 54.092
2041 54.208
2042 54.345
2043 54.514
2044 54.721
2045 54.966
2046 55.16
2047 55.398
2048 55.681
2049 56.005
2050 56.375
2051 56.696
2052 57.067
2053 57.485
2054 57.94
2055 58.424
2056 58.819
2057 59.251
2058 59.721
2059 60.224
2060 60.758
2061 61.184
2062 61.653
2063 62.157
2064 62.68
2065 63.214
2066 63.595
2067 64.003
2068 64.445
2069 64.932
2070 65.473
2071 65.88
2072 66.352
2073 66.886
2074 67.474
2075 68.109
2076 68.574
2077 69.103
2078 69.692
2079 70.327
2080 71
2081 71.471
2082 71.999
2083 72.575
2084 73.193
2085 73.846
2086 74.276
2087 74.762
2088 75.303
2089 75.889
2090 76.514
2091 76.9
2092 77.348
2093 77.85
2094 78.4
2095 78.997
2096 79.337
2097 79.738
2098 80.198
2099 80.719
2100 81.297