Year Number
1950 73.017
1951 76.139
1952 80.001
1953 83.633
1954 86.777
1955 89.472
1956 92.672
1957 94.887
1958 96.355
1959 97.26
1960 97.728
1961 100.328
1962 102.148
1963 103.527
1964 104.654
1965 105.541
1966 105.975
1967 106.367
1968 106.558
1969 106.379
1970 105.803
1971 107.041
1972 108.04
1973 108.737
1974 109.133
1975 109.231
1976 108.989
1977 108.237
1978 106.954
1979 105.503
1980 104.264
1981 101.824
1982 100.129
1983 98.879
1984 97.556
1985 95.927
1986 95.337
1987 94.248
1988 92.946
1989 91.782
1990 90.805
1991 90.352
1992 90.216
1993 90.126
1994 89.831
1995 89.331
1996 87.276
1997 85.118
1998 83.23
1999 81.789
2000 80.665
2001 79.321
2002 77.996
2003 76.593
2004 75.043
2005 73.353
2006 71.645
2007 69.948
2008 68.298
2009 66.745
2010 65.319
2011 63.35
2012 61.594
2013 59.952
2014 58.347
2015 56.781
2016 55.664
2017 54.502
2018 53.389
2019 52.428
2020 51.651
2021 51.159
2022 50.77
2023 50.465
2024 50.195
2025 49.934
2026 49.758
2027 49.581
2028 49.385
2029 49.15
2030 48.871
2031 48.621
2032 48.316
2033 47.971
2034 47.614
2035 47.267
2036 46.99
2037 46.71
2038 46.426
2039 46.13
2040 45.825
2041 45.594
2042 45.35
2043 45.114
2044 44.915
2045 44.774
2046 44.76
2047 44.778
2048 44.83
2049 44.917
2050 45.037
2051 45.262
2052 45.502
2053 45.762
2054 46.045
2055 46.355
2056 46.749
2057 47.148
2058 47.553
2059 47.967
2060 48.39
2061 48.873
2062 49.346
2063 49.809
2064 50.263
2065 50.705
2066 51.181
2067 51.635
2068 52.056
2069 52.429
2070 52.749
2071 53.061
2072 53.309
2073 53.518
2074 53.72
2075 53.935
2076 54.207
2077 54.476
2078 54.751
2079 55.041
2080 55.355
2081 55.744
2082 56.145
2083 56.558
2084 56.976
2085 57.398
2086 57.878
2087 58.353
2088 58.819
2089 59.277
2090 59.72
2091 60.203
2092 60.669
2093 61.118
2094 61.547
2095 61.954
2096 62.372
2097 62.771
2098 63.154
2099 63.52
2100 63.87