Year Number
1950 48.925
1951 51.112
1952 52.03
1953 53.926
1954 57.105
1955 61.004
1956 63.871
1957 67.956
1958 72.185
1959 75.542
1960 77.644
1961 78.466
1962 78.242
1963 77.367
1964 76.206
1965 74.767
1966 74.627
1967 73.77
1968 72.459
1969 70.978
1970 69.46
1971 66.76
1972 64.458
1973 62.379
1974 60.241
1975 57.973
1976 55.526
1977 52.656
1978 49.798
1979 47.375
1980 45.501
1981 44.628
1982 44.348
1983 44.437
1984 44.558
1985 44.538
1986 44.446
1987 44.104
1988 43.677
1989 43.367
1990 43.232
1991 42.472
1992 42.016
1993 41.735
1994 41.414
1995 40.95
1996 40.994
1997 40.739
1998 40.302
1999 39.817
2000 39.298
2001 38.666
2002 38.02
2003 37.342
2004 36.575
2005 35.712
2006 34.702
2007 33.798
2008 33.182
2009 33.01
2010 33.286
2011 33.431
2012 33.999
2013 34.874
2014 35.903
2015 37.026
2016 38.644
2017 40.124
2018 41.649
2019 43.448
2020 45.594
2021 47.555
2022 49.958
2023 52.601
2024 55.16
2025 57.464
2026 59.613
2027 61.496
2028 63.142
2029 64.666
2030 66.136
2031 67.425
2032 68.598
2033 69.687
2034 70.731
2035 71.775
2036 72.644
2037 73.496
2038 74.378
2039 75.319
2040 76.32
2041 77.137
2042 78.046
2043 79.028
2044 80.077
2045 81.212
2046 82.291
2047 83.449
2048 84.676
2049 85.922
2050 87.14
2051 88.129
2052 89.048
2053 89.938
2054 90.853
2055 91.823
2056 92.58
2057 93.398
2058 94.187
2059 94.839
2060 95.311
2061 95.368
2062 95.246
2063 94.959
2064 94.513
2065 93.901
2066 92.87
2067 91.714
2068 90.477
2069 89.209
2070 87.965
2071 86.52
2072 85.127
2073 83.897
2074 82.969
2075 82.417
2076 82.033
2077 82.066
2078 82.391
2079 82.842
2080 83.335
2081 83.704
2082 84.107
2083 84.592
2084 85.173
2085 85.813
2086 86.296
2087 86.849
2088 87.419
2089 87.957
2090 88.466
2091 88.799
2092 89.13
2093 89.449
2094 89.732
2095 89.966
2096 90.003
2097 90.004
2098 89.957
2099 89.878
2100 89.796