Year Number
1950 73.703
1951 74.722
1952 76.499
1953 78.071
1954 79.063
1955 79.562
1956 81.543
1957 82.508
1958 83.028
1959 83.613
1960 84.423
1961 85.597
1962 87.028
1963 88.379
1964 89.136
1965 89.095
1966 89.243
1967 88.651
1968 87.576
1969 86.407
1970 85.36
1971 84.81
1972 84.328
1973 83.891
1974 83.452
1975 83.001
1976 82.895
1977 82.641
1978 82.252
1979 81.719
1980 81.033
1981 80.145
1982 79.086
1983 77.898
1984 76.611
1985 75.244
1986 74.19
1987 72.988
1988 71.675
1989 70.305
1990 68.912
1991 67.578
1992 66.248
1993 64.934
1994 63.664
1995 62.47
1996 61.465
1997 60.558
1998 59.713
1999 58.874
2000 58.012
2001 57.327
2002 56.535
2003 55.71
2004 54.939
2005 54.249
2006 53.538
2007 52.922
2008 52.361
2009 51.819
2010 51.31
2011 50.92
2012 50.57
2013 50.269
2014 50
2015 49.721
2016 49.467
2017 49.143
2018 48.79
2019 48.489
2020 48.294
2021 48.042
2022 47.96
2023 47.995
2024 48.048
2025 48.073
2026 48.122
2027 48.149
2028 48.173
2029 48.244
2030 48.387
2031 48.528
2032 48.714
2033 48.959
2034 49.268
2035 49.645
2036 50.032
2037 50.483
2038 50.995
2039 51.564
2040 52.189
2041 52.796
2042 53.447
2043 54.143
2044 54.884
2045 55.664
2046 56.379
2047 57.13
2048 57.903
2049 58.681
2050 59.453
2051 60.108
2052 60.762
2053 61.414
2054 62.065
2055 62.716
2056 63.229
2057 63.744
2058 64.279
2059 64.858
2060 65.498
2061 66.034
2062 66.64
2063 67.303
2064 67.996
2065 68.697
2066 69.233
2067 69.797
2068 70.388
2069 71.003
2070 71.637
2071 72.103
2072 72.607
2073 73.155
2074 73.751
2075 74.393
2076 74.886
2077 75.457
2078 76.084
2079 76.731
2080 77.376
2081 77.81
2082 78.27
2083 78.754
2084 79.258
2085 79.784
2086 80.072
2087 80.402
2088 80.778
2089 81.193
2090 81.635
2091 81.823
2092 82.078
2093 82.386
2094 82.734
2095 83.115
2096 83.258
2097 83.465
2098 83.733
2099 84.058
2100 84.433