Year Number
1950 73.335
1951 74.994
1952 76.579
1953 77.799
1954 78.757
1955 79.542
1956 81.188
1957 82.731
1958 84.09
1959 85.062
1960 85.505
1961 85.798
1962 85.418
1963 84.749
1964 84.132
1965 83.638
1966 82.928
1967 82.796
1968 82.87
1969 82.565
1970 81.573
1971 80.725
1972 79.009
1973 76.751
1974 74.5
1975 72.492
1976 69.194
1977 66.229
1978 63.528
1979 61.053
1980 58.873
1981 56.939
1982 55.467
1983 54.228
1984 53.099
1985 52.08
1986 51.863
1987 51.963
1988 52.274
1989 52.725
1990 53.274
1991 53.571
1992 53.917
1993 54.246
1994 54.541
1995 54.793
1996 54.707
1997 54.658
1998 54.523
1999 54.35
2000 54.261
2001 52.766
2002 51.762
2003 51.01
2004 50.319
2005 49.735
2006 49.563
2007 49.267
2008 48.997
2009 48.996
2010 49.346
2011 48.978
2012 49.167
2013 49.74
2014 50.423
2015 51.097
2016 52.093
2017 52.934
2018 53.754
2019 54.773
2020 56.09
2021 57.221
2022 58.673
2023 60.326
2024 61.967
2025 63.478
2026 64.748
2027 65.891
2028 66.906
2029 67.863
2030 68.786
2031 69.387
2032 69.933
2033 70.42
2034 70.841
2035 71.185
2036 71.206
2037 71.191
2038 71.129
2039 71
2040 70.795
2041 70.272
2042 69.714
2043 69.163
2044 68.692
2045 68.333
2046 67.854
2047 67.509
2048 67.291
2049 67.191
2050 67.192
2051 67.063
2052 67.051
2053 67.164
2054 67.417
2055 67.81
2056 68.117
2057 68.596
2058 69.169
2059 69.74
2060 70.254
2061 70.494
2062 70.696
2063 70.881
2064 71.101
2065 71.366
2066 71.432
2067 71.568
2068 71.748
2069 71.928
2070 72.099
2071 71.997
2072 71.892
2073 71.851
2074 71.957
2075 72.242
2076 72.382
2077 72.712
2078 73.187
2079 73.743
2080 74.324
2081 74.644
2082 75.018
2083 75.454
2084 75.952
2085 76.497
2086 76.775
2087 77.134
2088 77.538
2089 77.963
2090 78.407
2091 78.593
2092 78.805
2093 79.066
2094 79.381
2095 79.744
2096 79.808
2097 79.937
2098 80.135
2099 80.374
2100 80.662