Year Number
1950 57.489
1951 56.588
1952 55.509
1953 54.368
1954 53.295
1955 52.366
1956 51.304
1957 50.424
1958 49.739
1959 49.222
1960 48.847
1961 49.111
1962 49.287
1963 49.418
1964 49.552
1965 49.711
1966 49.915
1967 50.119
1968 50.306
1969 50.475
1970 50.643
1971 50.887
1972 51.108
1973 51.252
1974 51.242
1975 51.061
1976 51.332
1977 51.308
1978 51.058
1979 50.697
1980 50.301
1981 49.915
1982 49.644
1983 49.473
1984 49.356
1985 49.288
1986 49.615
1987 49.865
1988 50.009
1989 50.027
1990 49.88
1991 50.801
1992 51.517
1993 52.004
1994 52.277
1995 52.348
1996 51.836
1997 51.223
1998 50.548
1999 49.809
2000 49.01
2001 48.4
2002 47.921
2003 47.528
2004 47.187
2005 46.891
2006 47.14
2007 47.307
2008 47.48
2009 47.764
2010 48.207
2011 48.915
2012 49.654
2013 50.427
2014 51.259
2015 52.184
2016 52.698
2017 53.472
2018 54.334
2019 55.064
2020 55.555
2021 56.379
2022 56.854
2023 57.117
2024 57.412
2025 57.861
2026 58.515
2027 59.33
2028 60.19
2029 60.867
2030 61.231
2031 61.512
2032 61.543
2033 61.41
2034 61.27
2035 61.224
2036 61.45
2037 61.789
2038 62.178
2039 62.523
2040 62.786
2041 63.178
2042 63.49
2043 63.782
2044 64.12
2045 64.532
2046 65.108
2047 65.738
2048 66.437
2049 67.229
2050 68.129
2051 69.262
2052 70.503
2053 71.777
2054 72.966
2055 73.978
2056 74.944
2057 75.789
2058 76.387
2059 76.578
2060 76.291
2061 75.645
2062 74.557
2063 73.234
2064 71.958
2065 70.883
2066 70.014
2067 69.355
2068 68.88
2069 68.56
2070 68.387
2071 68.451
2072 68.717
2073 69.098
2074 69.453
2075 69.69
2076 69.866
2077 69.925
2078 69.938
2079 70.006
2080 70.171
2081 70.46
2082 70.871
2083 71.357
2084 71.835
2085 72.253
2086 72.672
2087 73.105
2088 73.494
2089 73.81
2090 74.062
2091 74.207
2092 74.266
2093 74.278
2094 74.287
2095 74.294
2096 74.083
2097 73.904
2098 73.768
2099 73.66
2100 73.569