Year Number
1950 58.483
1951 59.362
1952 59.443
1953 59.198
1954 58.886
1955 58.54
1956 59.004
1957 58.783
1958 58.545
1959 58.429
1960 58.306
1961 63.573
1962 68.007
1963 71.772
1964 75.004
1965 77.726
1966 85.163
1967 92.234
1968 98.644
1969 104.079
1970 108.371
1971 108.973
1972 108.694
1973 107.783
1974 106.788
1975 106.069
1976 106.976
1977 108.31
1978 109.411
1979 109.525
1980 108.518
1981 110.288
1982 110.251
1983 109.407
1984 108.992
1985 109.46
1986 108.658
1987 109.398
1988 110.67
1989 111.09
1990 110.118
1991 109.334
1992 107.156
1993 104.399
1994 102.121
1995 100.626
1996 99.119
1997 98.472
1998 98.241
1999 97.799
2000 96.88
2001 96.327
2002 95.165
2003 93.799
2004 92.631
2005 91.773
2006 91.059
2007 90.416
2008 89.836
2009 89.279
2010 88.711
2011 87.757
2012 86.978
2013 86.226
2014 85.328
2015 84.206
2016 83.164
2017 81.862
2018 80.41
2019 78.987
2020 77.669
2021 76.385
2022 75.242
2023 74.189
2024 73.143
2025 72.082
2026 71.152
2027 70.201
2028 69.27
2029 68.401
2030 67.611
2031 66.938
2032 66.34
2033 65.792
2034 65.254
2035 64.708
2036 64.188
2037 63.651
2038 63.151
2039 62.76
2040 62.513
2041 62.414
2042 62.425
2043 62.463
2044 62.406
2045 62.198
2046 61.871
2047 61.408
2048 60.888
2049 60.412
2050 60.033
2051 59.739
2052 59.514
2053 59.312
2054 59.064
2055 58.737
2056 58.364
2057 57.934
2058 57.48
2059 57.039
2060 56.637
2061 56.292
2062 55.968
2063 55.679
2064 55.439
2065 55.261
2066 55.172
2067 55.129
2068 55.124
2069 55.139
2070 55.162
2071 55.224
2072 55.287
2073 55.35
2074 55.421
2075 55.504
2076 55.619
2077 55.73
2078 55.837
2079 55.93
2080 56.002
2081 56.062
2082 56.094
2083 56.105
2084 56.105
2085 56.105
2086 56.109
2087 56.104
2088 56.097
2089 56.089
2090 56.086
2091 56.1
2092 56.108
2093 56.118
2094 56.134
2095 56.164
2096 56.223
2097 56.288
2098 56.362
2099 56.445
2100 56.535