Year Number
1950 67.573
1951 67.061
1952 66
1953 65.066
1954 64.255
1955 63.342
1956 61.695
1957 60.427
1958 59.184
1959 57.711
1960 55.97
1961 54.162
1962 52.215
1963 50.264
1964 48.538
1965 47.155
1966 46.398
1967 45.763
1968 45.329
1969 45.157
1970 45.251
1971 45.425
1972 45.915
1973 46.571
1974 47.153
1975 47.529
1976 48.192
1977 48.437
1978 48.415
1979 48.365
1980 48.384
1981 47.921
1982 47.719
1983 47.589
1984 47.269
1985 46.675
1986 46.191
1987 45.428
1988 44.548
1989 43.822
1990 43.395
1991 43.072
1992 43.017
1993 43.177
1994 43.441
1995 43.753
1996 44.188
1997 44.713
1998 45.302
1999 45.944
2000 46.638
2001 47.364
2002 48.108
2003 48.899
2004 49.765
2005 50.717
2006 51.684
2007 52.758
2008 53.96
2009 55.31
2010 56.819
2011 58.244
2012 59.789
2013 61.4
2014 62.984
2015 64.467
2016 65.726
2017 66.87
2018 67.902
2019 68.827
2020 69.65
2021 70.201
2022 70.661
2023 71.066
2024 71.47
2025 71.914
2026 72.235
2027 72.643
2028 73.138
2029 73.711
2030 74.37
2031 74.935
2032 75.599
2033 76.406
2034 77.423
2035 78.686
2036 79.95
2037 81.489
2038 83.219
2039 84.956
2040 86.547
2041 87.753
2042 88.87
2043 89.877
2044 90.807
2045 91.721
2046 92.398
2047 93.057
2048 93.714
2049 94.394
2050 95.109
2051 95.503
2052 95.938
2053 96.408
2054 96.88
2055 97.319
2056 97.282
2057 97.24
2058 97.209
2059 97.23
2060 97.342
2061 97.081
2062 96.937
2063 96.918
2064 96.971
2065 97.028
2066 96.647
2067 96.381
2068 96.155
2069 95.945
2070 95.804
2071 95.38
2072 95.019
2073 94.776
2074 94.689
2075 94.745
2076 94.447
2077 94.286
2078 94.254
2079 94.333
2080 94.512
2081 94.332
2082 94.274
2083 94.311
2084 94.43
2085 94.639
2086 94.477
2087 94.388
2088 94.407
2089 94.548
2090 94.792
2091 94.635
2092 94.6
2093 94.662
2094 94.807
2095 95.045
2096 94.921
2097 94.88
2098 94.941
2099 95.127
2100 95.444