Year Number
1950 67.251
1951 69.203
1952 72.465
1953 74.825
1954 75.696
1955 75.548
1956 78.136
1957 78.618
1958 78.468
1959 78.931
1960 80.394
1961 81.11
1962 83.509
1963 86.684
1964 89.255
1965 90.65
1966 92.581
1967 93.377
1968 93.545
1969 93.859
1970 94.637
1971 96.354
1972 97.903
1973 99.37
1974 100.725
1975 101.89
1976 102.694
1977 103.56
1978 104.216
1979 104.328
1980 103.793
1981 103.958
1982 103.524
1983 102.674
1984 101.71
1985 100.782
1986 100.452
1987 100.176
1988 99.87
1989 99.426
1990 98.822
1991 97.482
1992 96.007
1993 94.505
1994 93.114
1995 91.9
1996 90.645
1997 89.602
1998 88.677
1999 87.726
2000 86.681
2001 86.1
2002 85.307
2003 84.435
2004 83.674
2005 83.106
2006 82.711
2007 82.614
2008 82.634
2009 82.544
2010 82.275
2011 81.709
2012 80.878
2013 79.978
2014 79.229
2015 78.696
2016 78.478
2017 78.393
2018 78.324
2019 78.106
2020 77.664
2021 77.125
2022 76.437
2023 75.636
2024 74.779
2025 73.905
2026 73.106
2027 72.286
2028 71.473
2029 70.708
2030 70.016
2031 69.48
2032 68.991
2033 68.541
2034 68.12
2035 67.723
2036 67.428
2037 67.136
2038 66.851
2039 66.575
2040 66.309
2041 66.102
2042 65.886
2043 65.659
2044 65.413
2045 65.144
2046 64.893
2047 64.611
2048 64.304
2049 63.983
2050 63.655
2051 63.352
2052 63.034
2053 62.702
2054 62.36
2055 62.012
2056 61.691
2057 61.357
2058 61.019
2059 60.689
2060 60.374
2061 60.11
2062 59.854
2063 59.602
2064 59.344
2065 59.076
2066 58.841
2067 58.588
2068 58.334
2069 58.1
2070 57.898
2071 57.744
2072 57.608
2073 57.491
2074 57.387
2075 57.296
2076 57.238
2077 57.183
2078 57.133
2079 57.088
2080 57.048
2081 57.021
2082 56.992
2083 56.961
2084 56.93
2085 56.902
2086 56.875
2087 56.845
2088 56.817
2089 56.793
2090 56.777
2091 56.763
2092 56.751
2093 56.745
2094 56.752
2095 56.776
2096 56.793
2097 56.824
2098 56.871
2099 56.935
2100 57.015