Year Number
1950 63.562
1951 64.46
1952 65.542
1953 67.105
1954 69.041
1955 71.116
1956 72.984
1957 75.239
1958 77.566
1959 79.687
1960 81.461
1961 82.949
1962 84.006
1963 84.765
1964 85.413
1965 86.02
1966 85.981
1967 85.624
1968 84.991
1969 84.142
1970 83.076
1971 79.806
1972 77.223
1973 75.079
1974 72.967
1975 70.731
1976 69.873
1977 68.563
1978 67.485
1979 67.165
1980 67.508
1981 65.316
1982 63.75
1983 62.436
1984 60.933
1985 59.127
1986 57.853
1987 56.204
1988 54.451
1989 52.966
1990 51.89
1991 51.134
1992 50.784
1993 50.684
1994 50.608
1995 50.444
1996 50.379
1997 50.26
1998 50.151
1999 50.157
2000 50.304
2001 49.626
2002 49.134
2003 48.763
2004 48.408
2005 48.032
2006 47.846
2007 47.651
2008 47.532
2009 47.602
2010 47.897
2011 48.018
2012 48.402
2013 48.993
2014 49.695
2015 50.444
2016 50.961
2017 51.55
2018 52.242
2019 53.081
2020 54.083
2021 54.886
2022 55.855
2023 56.969
2024 58.19
2025 59.474
2026 60.461
2027 61.54
2028 62.68
2029 63.829
2030 64.944
2031 65.629
2032 66.285
2033 66.954
2034 67.69
2035 68.522
2036 69.048
2037 69.685
2038 70.398
2039 71.116
2040 71.775
2041 72.011
2042 72.222
2043 72.45
2044 72.748
2045 73.135
2046 73.257
2047 73.497
2048 73.83
2049 74.186
2050 74.509
2051 74.482
2052 74.476
2053 74.515
2054 74.618
2055 74.788
2056 74.709
2057 74.759
2058 74.902
2059 75.091
2060 75.294
2061 75.195
2062 75.161
2063 75.216
2064 75.375
2065 75.626
2066 75.596
2067 75.723
2068 75.965
2069 76.279
2070 76.63
2071 76.66
2072 76.78
2073 76.997
2074 77.31
2075 77.688
2076 77.712
2077 77.865
2078 78.116
2079 78.438
2080 78.814
2081 78.837
2082 78.961
2083 79.187
2084 79.498
2085 79.871
2086 79.862
2087 79.968
2088 80.172
2089 80.447
2090 80.782
2091 80.728
2092 80.776
2093 80.928
2094 81.173
2095 81.487
2096 81.401
2097 81.441
2098 81.588
2099 81.82
2100 82.12