Year Number
1950 77.614
1951 77.782
1952 77.573
1953 77.873
1954 78.752
1955 80.028
1956 80.483
1957 81.47
1958 82.764
1959 84.216
1960 85.766
1961 85.586
1962 85.781
1963 86.355
1964 87.096
1965 87.726
1966 86.801
1967 85.658
1968 84.598
1969 83.92
1970 83.62
1971 81.463
1972 80.51
1973 80.188
1974 79.713
1975 78.7
1976 77.652
1977 75.623
1978 73.194
1979 71.153
1980 69.805
1981 67.717
1982 66.713
1983 66.254
1984 65.599
1985 64.436
1986 63.749
1987 62.269
1988 60.452
1989 58.971
1990 58.105
1991 57.099
1992 56.873
1993 57.029
1994 56.93
1995 56.291
1996 56.183
1997 55.474
1998 54.45
1999 53.569
2000 53.039
2001 51.554
2002 50.32
2003 49.168
2004 47.948
2005 46.663
2006 46.037
2007 45.313
2008 44.33
2009 43.107
2010 41.816
2011 41.595
2012 41.255
2013 41.003
2014 40.994
2015 41.246
2016 41.691
2017 42.377
2018 43.22
2019 44.085
2020 44.896
2021 45.627
2022 46.333
2023 47.009
2024 47.68
2025 48.368
2026 49.098
2027 49.806
2028 50.479
2029 51.092
2030 51.628
2031 52.061
2032 52.411
2033 52.716
2034 53.029
2035 53.385
2036 53.753
2037 54.165
2038 54.589
2039 54.963
2040 55.258
2041 55.431
2042 55.535
2043 55.634
2044 55.827
2045 56.17
2046 56.621
2047 57.208
2048 57.896
2049 58.628
2050 59.367
2051 60.067
2052 60.762
2053 61.485
2054 62.267
2055 63.119
2056 63.959
2057 64.872
2058 65.802
2059 66.681
2060 67.476
2061 68.131
2062 68.717
2063 69.223
2064 69.618
2065 69.876
2066 69.89
2067 69.792
2068 69.628
2069 69.49
2070 69.461
2071 69.413
2072 69.465
2073 69.636
2074 69.912
2075 70.261
2076 70.513
2077 70.877
2078 71.314
2079 71.782
2080 72.274
2081 72.645
2082 73.044
2083 73.485
2084 73.974
2085 74.489
2086 74.851
2087 75.267
2088 75.718
2089 76.17
2090 76.62
2091 76.909
2092 77.22
2093 77.545
2094 77.88
2095 78.232
2096 78.406
2097 78.585
2098 78.779
2099 79.009
2100 79.285