Year Number
1950 67.333
1951 68.293
1952 70.999
1953 73.278
1954 74.395
1955 74.671
1956 78.942
1957 81.281
1958 83.016
1959 85.49
1960 89.34
1961 92.152
1962 96.815
1963 102.222
1964 106.397
1965 108.431
1966 111.396
1967 112.034
1968 111.394
1969 110.818
1970 110.645
1971 110.691
1972 111.72
1973 113.063
1974 113.835
1975 113.675
1976 114.367
1977 113.828
1978 112.349
1979 110.617
1980 109.086
1981 105.92
1982 103.392
1983 101.467
1984 99.992
1985 98.876
1986 99.06
1987 99.393
1988 99.827
1989 100.42
1990 101.237
1991 101.399
1992 101.492
1993 101.415
1994 101.043
1995 100.304
1996 99.777
1997 99.011
1998 97.957
1999 96.5
2000 94.545
2001 91.446
2002 88.021
2003 84.354
2004 80.645
2005 77.022
2006 73.1
2007 69.529
2008 66.216
2009 63.094
2010 60.216
2011 58.287
2012 56.352
2013 54.577
2014 53.133
2015 52.048
2016 51.187
2017 50.613
2018 50.218
2019 49.841
2020 49.399
2021 48.956
2022 48.459
2023 47.934
2024 47.448
2025 47.031
2026 46.694
2027 46.41
2028 46.149
2029 45.862
2030 45.532
2031 45.193
2032 44.831
2033 44.463
2034 44.109
2035 43.788
2036 43.501
2037 43.244
2038 43.034
2039 42.886
2040 42.814
2041 42.793
2042 42.834
2043 42.964
2044 43.214
2045 43.594
2046 44.063
2047 44.646
2048 45.34
2049 46.13
2050 47.01
2051 47.939
2052 48.945
2053 50.018
2054 51.145
2055 52.309
2056 53.447
2057 54.611
2058 55.778
2059 56.915
2060 58.001
2061 58.949
2062 59.842
2063 60.677
2064 61.448
2065 62.156
2066 62.673
2067 63.118
2068 63.532
2069 63.981
2070 64.504
2071 64.952
2072 65.467
2073 66.055
2074 66.709
2075 67.419
2076 68.04
2077 68.73
2078 69.478
2079 70.268
2080 71.081
2081 71.788
2082 72.536
2083 73.312
2084 74.095
2085 74.864
2086 75.479
2087 76.105
2088 76.734
2089 77.355
2090 77.965
2091 78.402
2092 78.848
2093 79.303
2094 79.773
2095 80.265
2096 80.558
2097 80.877
2098 81.228
2099 81.622
2100 82.054