Year Number
1950 78.434
1951 81.007
1952 83.006
1953 85.116
1954 87.323
1955 89.327
1956 90.778
1957 92.202
1958 93.815
1959 95.794
1960 98.154
1961 98.931
1962 100.394
1963 102.218
1964 103.778
1965 104.612
1966 104.736
1967 104.206
1968 103.215
1969 102.265
1970 101.642
1971 98.521
1972 96.558
1973 95.459
1974 94.615
1975 93.628
1976 93.03
1977 92.073
1978 90.83
1979 89.453
1980 87.849
1981 85.97
1982 84.101
1983 82.133
1984 79.877
1985 77.219
1986 74.628
1987 71.883
1988 69.259
1989 66.874
1990 64.677
1991 65.222
1992 65.262
1993 65.217
1994 65.434
1995 66.024
1996 64.89
1997 64.28
1998 64.475
1999 65.41
2000 66.77
2001 66.935
2002 67.65
2003 68.669
2004 69.588
2005 70.101
2006 68.637
2007 66.75
2008 64.774
2009 63.066
2010 61.681
2011 59.051
2012 56.903
2013 54.993
2014 53.062
2015 51.088
2016 50.004
2017 48.643
2018 47.359
2019 46.6
2020 46.527
2021 46.851
2022 47.761
2023 49.088
2024 50.488
2025 51.745
2026 52.87
2027 53.864
2028 54.715
2029 55.474
2030 56.161
2031 56.698
2032 57.128
2033 57.407
2034 57.489
2035 57.36
2036 57.097
2037 56.644
2038 56.037
2039 55.322
2040 54.531
2041 53.764
2042 52.931
2043 52.052
2044 51.148
2045 50.231
2046 49.455
2047 48.701
2048 47.948
2049 47.157
2050 46.31
2051 45.621
2052 44.881
2053 44.195
2054 43.695
2055 43.454
2056 43.63
2057 44.017
2058 44.597
2059 45.349
2060 46.25
2061 47.453
2062 48.786
2063 50.191
2064 51.583
2065 52.898
2066 54.221
2067 55.469
2068 56.554
2069 57.345
2070 57.762
2071 57.84
2072 57.552
2073 57.038
2074 56.499
2075 56.053
2076 55.733
2077 55.484
2078 55.302
2079 55.186
2080 55.143
2081 55.303
2082 55.526
2083 55.809
2084 56.145
2085 56.509
2086 57.108
2087 57.718
2088 58.308
2089 58.883
2090 59.404
2091 60.086
2092 60.714
2093 61.289
2094 61.799
2095 62.233
2096 62.748
2097 63.206
2098 63.604
2099 63.941
2100 64.226