Year Number
1950 68.433
1951 69.282
1952 70.345
1953 71.22
1954 71.791
1955 72.15
1956 73.571
1957 74.433
1958 75.069
1959 75.753
1960 76.56
1961 77.573
1962 78.735
1963 79.827
1964 80.515
1965 80.66
1966 81.095
1967 80.945
1968 80.398
1969 79.735
1970 79.108
1971 78.924
1972 78.661
1973 78.311
1974 77.825
1975 77.189
1976 77.038
1977 76.664
1978 76.148
1979 75.594
1980 75.058
1981 74.931
1982 74.783
1983 74.581
1984 74.259
1985 73.791
1986 73.745
1987 73.432
1988 72.933
1989 72.346
1990 71.711
1991 71.293
1992 70.795
1993 70.2
1994 69.477
1995 68.623
1996 67.936
1997 67.135
1998 66.241
1999 65.29
2000 64.31
2001 63.575
2002 62.772
2003 61.922
2004 61.048
2005 60.161
2006 59.443
2007 58.695
2008 57.923
2009 57.115
2010 56.269
2011 55.533
2012 54.734
2013 53.916
2014 53.142
2015 52.449
2016 51.864
2017 51.382
2018 50.957
2019 50.526
2020 50.068
2021 49.779
2022 49.418
2023 49.034
2024 48.694
2025 48.427
2026 48.256
2027 48.14
2028 48.057
2029 47.965
2030 47.844
2031 47.777
2032 47.677
2033 47.555
2034 47.43
2035 47.317
2036 47.274
2037 47.23
2038 47.189
2039 47.153
2040 47.129
2041 47.171
2042 47.22
2043 47.287
2044 47.386
2045 47.527
2046 47.767
2047 48.032
2048 48.324
2049 48.641
2050 48.983
2051 49.39
2052 49.812
2053 50.247
2054 50.689
2055 51.134
2056 51.607
2057 52.073
2058 52.538
2059 53.009
2060 53.492
2061 53.994
2062 54.498
2063 55.008
2064 55.526
2065 56.052
2066 56.595
2067 57.141
2068 57.689
2069 58.242
2070 58.8
2071 59.353
2072 59.909
2073 60.462
2074 61
2075 61.515
2076 61.987
2077 62.437
2078 62.88
2079 63.334
2080 63.811
2081 64.278
2082 64.772
2083 65.291
2084 65.823
2085 66.366
2086 66.874
2087 67.4
2088 67.945
2089 68.505
2090 69.076
2091 69.58
2092 70.104
2093 70.646
2094 71.198
2095 71.756
2096 72.204
2097 72.672
2098 73.157
2099 73.651
2100 74.148