Year Number
1950 57.429
1951 58.209
1952 59.351
1953 60.55
1954 61.582
1955 62.445
1956 64.645
1957 66.3
1958 67.793
1959 69.579
1960 71.893
1961 74.746
1962 78.28
1963 82.082
1964 85.426
1965 87.918
1966 91.19
1967 93.077
1968 94.103
1969 95.053
1970 96.275
1971 97.491
1972 99.087
1973 100.58
1974 101.235
1975 100.761
1976 100.48
1977 99.027
1978 96.903
1979 94.786
1980 92.991
1981 91.625
1982 90.493
1983 89.441
1984 88.244
1985 86.837
1986 85.961
1987 84.899
1988 83.657
1989 82.195
1990 80.481
1991 79.882
1992 78.634
1993 77.01
1994 75.327
1995 73.683
1996 71.281
1997 69.286
1998 67.391
1999 65.178
2000 62.503
2001 59.762
2002 56.678
2003 53.525
2004 50.723
2005 48.489
2006 46.834
2007 45.715
2008 45.043
2009 44.646
2010 44.438
2011 44.894
2012 45.415
2013 46.045
2014 46.805
2015 47.649
2016 48.669
2017 49.59
2018 50.418
2019 51.157
2020 51.783
2021 51.994
2022 52.247
2023 52.422
2024 52.393
2025 52.131
2026 51.914
2027 51.479
2028 50.904
2029 50.328
2030 49.83
2031 49.471
2032 49.18
2033 48.977
2034 48.853
2035 48.802
2036 48.916
2037 49.116
2038 49.391
2039 49.723
2040 50.1
2041 50.592
2042 51.129
2043 51.713
2044 52.34
2045 53.003
2046 53.736
2047 54.483
2048 55.273
2049 56.154
2050 57.144
2051 58.268
2052 59.479
2053 60.701
2054 61.816
2055 62.736
2056 63.485
2057 64.059
2058 64.449
2059 64.665
2060 64.726
2061 64.617
2062 64.393
2063 64.075
2064 63.678
2065 63.22
2066 62.695
2067 62.153
2068 61.647
2069 61.256
2070 61.031
2071 60.937
2072 61
2073 61.233
2074 61.648
2075 62.247
2076 62.932
2077 63.79
2078 64.789
2079 65.835
2080 66.84
2081 67.683
2082 68.512
2083 69.28
2084 69.976
2085 70.634
2086 71.149
2087 71.596
2088 72.003
2089 72.398
2090 72.783
2091 73.009
2092 73.209
2093 73.391
2094 73.577
2095 73.783
2096 73.874
2097 73.985
2098 74.142
2099 74.35
2100 74.588