Year Number
1950 72.916
1951 74.095
1952 75.295
1953 76.25
1954 76.939
1955 77.438
1956 78.716
1957 79.584
1958 80.216
1959 80.737
1960 81.186
1961 82.102
1962 82.879
1963 83.532
1964 84.021
1965 84.312
1966 84.491
1967 84.483
1968 84.302
1969 83.973
1970 83.529
1971 83.571
1972 83.4
1973 83.076
1974 82.656
1975 82.154
1976 82.137
1977 81.949
1978 81.621
1979 81.187
1980 80.669
1981 80.19
1982 79.665
1983 79.044
1984 78.259
1985 77.288
1986 76.726
1987 75.931
1988 74.968
1989 73.914
1990 72.797
1991 71.301
1992 69.717
1993 68.095
1994 66.507
1995 65.019
1996 64.478
1997 64.199
1998 64.064
1999 63.883
2000 63.525
2001 63.12
2002 62.268
2003 61.144
2004 60.032
2005 59.091
2006 58.246
2007 57.733
2008 57.389
2009 56.928
2010 56.227
2011 55.71
2012 54.803
2013 53.728
2014 52.798
2015 52.144
2016 51.649
2017 51.492
2018 51.51
2019 51.425
2020 51.109
2021 50.969
2022 50.589
2023 50.064
2024 49.567
2025 49.177
2026 48.905
2027 48.708
2028 48.55
2029 48.36
2030 48.101
2031 47.917
2032 47.676
2033 47.393
2034 47.101
2035 46.815
2036 46.633
2037 46.45
2038 46.264
2039 46.063
2040 45.841
2041 45.695
2042 45.528
2043 45.368
2044 45.254
2045 45.206
2046 45.31
2047 45.457
2048 45.639
2049 45.851
2050 46.087
2051 46.451
2052 46.83
2053 47.205
2054 47.548
2055 47.844
2056 48.195
2057 48.493
2058 48.754
2059 49.001
2060 49.249
2061 49.584
2062 49.911
2063 50.216
2064 50.475
2065 50.676
2066 50.902
2067 51.068
2068 51.211
2069 51.386
2070 51.622
2071 51.989
2072 52.398
2073 52.83
2074 53.249
2075 53.635
2076 54.069
2077 54.465
2078 54.835
2079 55.194
2080 55.55
2081 55.987
2082 56.415
2083 56.825
2084 57.203
2085 57.544
2086 57.932
2087 58.28
2088 58.597
2089 58.89
2090 59.165
2091 59.485
2092 59.784
2093 60.064
2094 60.331
2095 60.591
2096 60.899
2097 61.194
2098 61.481
2099 61.765
2100 62.045