Year Number
1950 74.255
1951 76.561
1952 78.475
1953 80.063
1954 81.463
1955 82.764
1956 84.279
1957 85.353
1958 86.253
1959 87.129
1960 88.03
1961 89.824
1962 91.986
1963 94.09
1964 95.715
1965 96.658
1966 94.665
1967 92.852
1968 91.056
1969 89.215
1970 87.307
1971 88.766
1972 89.515
1973 89.434
1974 88.576
1975 86.955
1976 82.076
1977 77.146
1978 72.067
1979 67.052
1980 62.521
1981 60.56
1982 58.937
1983 57.794
1984 57.172
1985 56.961
1986 55.644
1987 54.546
1988 53.512
1989 52.549
1990 51.749
1991 52.181
1992 52.736
1993 53.126
1994 53.289
1995 53.361
1996 52.79
1997 52.767
1998 53.172
1999 53.717
2000 54.134
2001 54.416
2002 54.24
2003 53.764
2004 53.261
2005 52.92
2006 52.527
2007 52.37
2008 52.414
2009 52.645
2010 53.061
2011 53.128
2012 53.645
2013 54.512
2014 55.622
2015 56.953
2016 57.829
2017 58.713
2018 59.678
2019 60.81
2020 62.151
2021 63.575
2022 65.106
2023 66.839
2024 68.886
2025 71.291
2026 73.794
2027 76.711
2028 79.911
2029 83.148
2030 86.248
2031 89.035
2032 91.639
2033 93.995
2034 96.099
2035 97.955
2036 99.179
2037 100.066
2038 100.62
2039 100.781
2040 100.48
2041 99.309
2042 97.797
2043 96.019
2044 94.088
2045 92.129
2046 89.835
2047 87.593
2048 85.523
2049 83.798
2050 82.519
2051 81.356
2052 80.664
2053 80.384
2054 80.35
2055 80.409
2056 80.303
2057 80.394
2058 80.609
2059 80.889
2060 81.229
2061 81.417
2062 81.662
2063 82.013
2064 82.548
2065 83.306
2066 83.99
2067 84.89
2068 85.926
2069 86.97
2070 87.945
2071 88.528
2072 89.013
2073 89.425
2074 89.839
2075 90.301
2076 90.329
2077 90.345
2078 90.469
2079 90.75
2080 91.139
2081 91.212
2082 91.53
2083 91.959
2084 92.392
2085 92.85
2086 93.047
2087 93.316
2088 93.675
2089 94.162
2090 94.79
2091 95.072
2092 95.457
2093 95.965
2094 96.597
2095 97.32
2096 97.565
2097 97.975
2098 98.51
2099 99.044
2100 99.484