Year Number
1950 75.358
1951 75.291
1952 75.036
1953 75.306
1954 76.241
1955 77.612
1956 79.711
1957 82.777
1958 86.636
1959 91.047
1960 95.748
1961 98.284
1962 100.593
1963 102.64
1964 104.678
1965 106.987
1966 108.706
1967 110.941
1968 113.891
1969 117.325
1970 120.757
1971 117.836
1972 115.036
1973 112.176
1974 109.25
1975 106.467
1976 104.274
1977 102.154
1978 100.037
1979 97.893
1980 95.779
1981 92.715
1982 90.15
1983 88.101
1984 86.625
1985 85.696
1986 82.826
1987 80.871
1988 79.621
1989 78.908
1990 78.606
1991 77.313
1992 76.41
1993 75.714
1994 75.074
1995 74.387
1996 73.206
1997 71.707
1998 69.975
1999 68.106
2000 66.166
2001 64.028
2002 61.89
2003 59.743
2004 57.608
2005 55.542
2006 54.202
2007 53.079
2008 52.133
2009 51.396
2010 50.894
2011 50.028
2012 49.302
2013 48.641
2014 47.983
2015 47.325
2016 46.892
2017 46.469
2018 46.073
2019 45.74
2020 45.487
2021 45.438
2022 45.461
2023 45.531
2024 45.651
2025 45.827
2026 46.174
2027 46.573
2028 46.993
2029 47.414
2030 47.827
2031 48.335
2032 48.835
2033 49.304
2034 49.735
2035 50.136
2036 50.591
2037 51.018
2038 51.415
2039 51.79
2040 52.156
2041 52.588
2042 53.01
2043 53.421
2044 53.853
2045 54.332
2046 54.923
2047 55.571
2048 56.232
2049 56.857
2050 57.418
2051 57.979
2052 58.473
2053 58.952
2054 59.516
2055 60.228
2056 61.125
2057 62.186
2058 63.323
2059 64.435
2060 65.456
2061 66.446
2062 67.366
2063 68.216
2064 69.024
2065 69.81
2066 70.585
2067 71.338
2068 72.062
2069 72.748
2070 73.405
2071 74.014
2072 74.601
2073 75.177
2074 75.749
2075 76.32
2076 76.839
2077 77.388
2078 77.941
2079 78.472
2080 79.004
2081 79.471
2082 79.942
2083 80.425
2084 80.925
2085 81.426
2086 81.809
2087 82.239
2088 82.664
2089 83.047
2090 83.407
2091 83.674
2092 83.943
2093 84.217
2094 84.504
2095 84.794
2096 84.948
2097 85.128
2098 85.32
2099 85.504
2100 85.7