Year Number
1950 75.017
1951 75.415
1952 75.733
1953 76.013
1954 76.496
1955 77.288
1956 78.781
1957 80.148
1958 81.349
1959 82.262
1960 82.778
1961 85.518
1962 87.184
1963 87.72
1964 87.338
1965 86.309
1966 83.955
1967 81.455
1968 78.781
1969 75.873
1970 72.783
1971 69.731
1972 66.92
1973 64.209
1974 61.445
1975 58.586
1976 56.297
1977 53.595
1978 50.816
1979 48.404
1980 46.573
1981 44.88
1982 43.872
1983 43.296
1984 42.738
1985 41.986
1986 41.091
1987 39.87
1988 38.59
1989 37.605
1990 37.09
1991 37.206
1992 37.797
1993 38.689
1994 39.522
1995 40.046
1996 40.818
1997 41.05
1998 40.884
1999 40.615
2000 40.449
2001 39.662
2002 38.997
2003 38.458
2004 38.011
2005 37.685
2006 37.553
2007 37.341
2008 36.918
2009 36.343
2010 35.784
2011 35.814
2012 36.029
2013 36.393
2014 36.859
2015 37.407
2016 38.066
2017 38.797
2018 39.614
2019 40.544
2020 41.6
2021 42.75
2022 44.038
2023 45.436
2024 46.91
2025 48.446
2026 49.959
2027 51.527
2028 53.13
2029 54.74
2030 56.341
2031 57.812
2032 59.24
2033 60.647
2034 62.094
2035 63.632
2036 65.077
2037 66.579
2038 68.132
2039 69.695
2040 71.221
2041 72.518
2042 73.783
2043 74.995
2044 76.154
2045 77.285
2046 78.224
2047 79.131
2048 80.01
2049 80.847
2050 81.631
2051 82.189
2052 82.699
2053 83.206
2054 83.788
2055 84.502
2056 85.191
2057 86.033
2058 86.975
2059 87.939
2060 88.889
2061 89.682
2062 90.466
2063 91.257
2064 92.045
2065 92.797
2066 93.362
2067 93.939
2068 94.489
2069 94.977
2070 95.411
2071 95.706
2072 96.002
2073 96.307
2074 96.612
2075 96.903
2076 97.1
2077 97.373
2078 97.676
2079 97.956
2080 98.196
2081 98.354
2082 98.558
2083 98.822
2084 99.103
2085 99.335
2086 99.519
2087 99.819
2088 100.148
2089 100.422
2090 100.636
2091 100.875
2092 101.197
2093 101.575
2094 101.942
2095 102.241
2096 102.541
2097 102.924
2098 103.321
2099 103.646
2100 103.868