Year Number
1950 59.621
1951 60.794
1952 61.894
1953 63.252
1954 64.816
1955 66.386
1956 67.367
1957 68.453
1958 69.453
1959 70.213
1960 70.662
1961 71.029
1962 71.042
1963 70.749
1964 70.216
1965 69.465
1966 68.273
1967 66.759
1968 65.052
1969 63.3
1970 61.585
1971 59.613
1972 57.874
1973 56.266
1974 54.65
1975 52.997
1976 51.851
1977 50.584
1978 49.323
1979 48.236
1980 47.398
1981 46.792
1982 46.377
1983 46.144
1984 46.039
1985 46.034
1986 46.122
1987 46.265
1988 46.453
1989 46.674
1990 46.911
1991 47.18
1992 47.456
1993 47.682
1994 47.794
1995 47.768
1996 47.765
1997 47.566
1998 47.226
1999 46.835
2000 46.447
2001 45.971
2002 45.555
2003 45.177
2004 44.81
2005 44.47
2006 44.201
2007 43.995
2008 43.894
2009 43.938
2010 44.145
2011 44.613
2012 45.131
2013 45.746
2014 46.472
2015 47.292
2016 48.212
2017 49.268
2018 50.409
2019 51.564
2020 52.699
2021 53.886
2022 55.031
2023 56.152
2024 57.302
2025 58.507
2026 59.701
2027 60.946
2028 62.171
2029 63.264
2030 64.158
2031 64.808
2032 65.256
2033 65.561
2034 65.817
2035 66.087
2036 66.228
2037 66.386
2038 66.57
2039 66.77
2040 66.977
2041 67.098
2042 67.257
2043 67.461
2044 67.728
2045 68.079
2046 68.411
2047 68.831
2048 69.324
2049 69.846
2050 70.358
2051 70.725
2052 71.094
2053 71.49
2054 71.943
2055 72.463
2056 72.941
2057 73.525
2058 74.138
2059 74.69
2060 75.146
2061 75.404
2062 75.58
2063 75.705
2064 75.811
2065 75.904
2066 75.785
2067 75.662
2068 75.564
2069 75.535
2070 75.609
2071 75.584
2072 75.681
2073 75.889
2074 76.166
2075 76.48
2076 76.614
2077 76.82
2078 77.08
2079 77.388
2080 77.755
2081 77.947
2082 78.196
2083 78.517
2084 78.902
2085 79.321
2086 79.517
2087 79.78
2088 80.078
2089 80.395
2090 80.744
2091 80.897
2092 81.085
2093 81.318
2094 81.604
2095 81.936
2096 82.018
2097 82.145
2098 82.317
2099 82.54
2100 82.818