Year Number
1950 51.509
1951 52.067
1952 52.079
1953 51.721
1954 51.44
1955 51.536
1956 52.188
1957 53.093
1958 54.175
1959 55.089
1960 55.528
1961 55.657
1962 55.32
1963 54.653
1964 53.987
1965 53.553
1966 52.687
1967 52.526
1968 52.723
1969 52.768
1970 52.454
1971 53.295
1972 53.17
1973 52.663
1974 52.594
1975 53.29
1976 53.802
1977 55.302
1978 57.204
1979 58.508
1980 58.702
1981 58.645
1982 57.458
1983 55.643
1984 54.025
1985 53.024
1986 52.24
1987 52.102
1988 52.304
1989 52.318
1990 51.87
1991 51.959
1992 51.378
1993 50.405
1994 49.511
1995 48.931
1996 48.174
1997 47.939
1998 47.965
1999 47.835
2000 47.371
2001 47.323
2002 46.898
2003 46.233
2004 45.605
2005 45.151
2006 45.004
2007 45.122
2008 45.446
2009 45.865
2010 46.334
2011 46.772
2012 47.184
2013 47.61
2014 48.159
2015 48.886
2016 49.543
2017 50.389
2018 51.341
2019 52.228
2020 52.966
2021 53.764
2022 54.418
2023 54.898
2024 55.181
2025 55.259
2026 55.185
2027 54.886
2028 54.559
2029 54.463
2030 54.752
2031 55.524
2032 56.71
2033 58.159
2034 59.636
2035 61.004
2036 62.406
2037 63.682
2038 64.895
2039 66.158
2040 67.521
2041 69.039
2042 70.629
2043 72.194
2044 73.566
2045 74.635
2046 75.477
2047 76.002
2048 76.328
2049 76.643
2050 77.058
2051 77.62
2052 78.343
2053 79.037
2054 79.449
2055 79.457
2056 79.146
2057 78.438
2058 77.528
2059 76.668
2060 75.969
2061 75.411
2062 75.052
2063 74.819
2064 74.622
2065 74.439
2066 74.431
2067 74.487
2068 74.638
2069 74.903
2070 75.26
2071 75.764
2072 76.423
2073 77.128
2074 77.757
2075 78.262
2076 78.687
2077 78.987
2078 79.224
2079 79.455
2080 79.67
2081 79.771
2082 79.929
2083 80.067
2084 80.132
2085 80.149
2086 80.068
2087 79.955
2088 79.856
2089 79.803
2090 79.782
2091 79.581
2092 79.45
2093 79.37
2094 79.33
2095 79.34
2096 79.249
2097 79.245
2098 79.343
2099 79.531
2100 79.781