Year Number
1950 53.132
1951 53.124
1952 51.172
1953 49.268
1954 48.415
1955 48.761
1956 49.374
1957 51.287
1958 53.807
1959 56.006
1960 57.36
1961 58.29
1962 58.428
1963 57.943
1964 57.231
1965 56.502
1966 55.541
1967 54.525
1968 53.469
1969 52.398
1970 51.359
1971 50.17
1972 49.222
1973 48.456
1974 47.787
1975 47.187
1976 47.205
1977 47.052
1978 46.842
1979 46.717
1980 46.73
1981 46.731
1982 46.922
1983 47.254
1984 47.594
1985 47.875
1986 48.399
1987 48.793
1988 49.101
1989 49.402
1990 49.718
1991 50.329
1992 50.748
1993 50.935
1994 50.837
1995 50.415
1996 49.302
1997 48.119
1998 46.863
1999 45.557
2000 44.272
2001 43.658
2002 43.041
2003 42.389
2004 41.661
2005 40.83
2006 40.31
2007 39.661
2008 39.09
2009 38.794
2010 38.846
2011 39.246
2012 39.984
2013 40.951
2014 42.008
2015 43.098
2016 44.59
2017 46.043
2018 47.434
2019 48.782
2020 50.073
2021 51.331
2022 52.553
2023 53.664
2024 54.579
2025 55.269
2026 56.027
2027 56.554
2028 56.83
2029 56.837
2030 56.566
2031 56.192
2032 55.597
2033 54.892
2034 54.227
2035 53.713
2036 53.551
2037 53.534
2038 53.635
2039 53.809
2040 54.03
2041 54.541
2042 55.08
2043 55.677
2044 56.361
2045 57.135
2046 58.221
2047 59.338
2048 60.486
2049 61.676
2050 62.901
2051 64.38
2052 65.878
2053 67.263
2054 68.335
2055 68.963
2056 69.376
2057 69.399
2058 69.045
2059 68.368
2060 67.433
2061 66.452
2062 65.239
2063 63.908
2064 62.601
2065 61.4
2066 60.475
2067 59.671
2068 58.975
2069 58.362
2070 57.824
2071 57.59
2072 57.435
2073 57.377
2074 57.442
2075 57.636
2076 58.167
2077 58.812
2078 59.53
2079 60.245
2080 60.894
2081 61.665
2082 62.393
2083 63.049
2084 63.606
2085 64.059
2086 64.532
2087 64.91
2088 65.183
2089 65.351
2090 65.419
2091 65.422
2092 65.333
2093 65.171
2094 64.963
2095 64.727
2096 64.462
2097 64.187
2098 63.929
2099 63.707
2100 63.539