Year Number
1950 71.235
1951 70.459
1952 68.217
1953 66.37
1954 65.824
1955 66.706
1956 68.425
1957 71.271
1958 74.756
1959 78.197
1960 81.175
1961 83.971
1962 86.261
1963 87.94
1964 88.943
1965 89.203
1966 88.925
1967 87.68
1968 85.707
1969 83.395
1970 80.993
1971 77.712
1972 74.906
1973 72.366
1974 69.79
1975 67.091
1976 64.993
1977 62.705
1978 60.476
1979 58.601
1980 57.166
1981 56.198
1982 55.636
1983 55.376
1984 55.248
1985 55.173
1986 55.17
1987 55.24
1988 55.447
1989 55.813
1990 56.231
1991 57.249
1992 58.345
1993 59.405
1994 60.288
1995 60.915
1996 60.444
1997 59.533
1998 58.316
1999 57.038
2000 55.897
2001 54.596
2002 53.601
2003 52.715
2004 51.676
2005 50.384
2006 49.335
2007 48.072
2008 46.805
2009 45.776
2010 45.059
2011 43.655
2012 42.526
2013 41.753
2014 41.333
2015 41.263
2016 42.095
2017 43.09
2018 44.2
2019 45.359
2020 46.502
2021 47.539
2022 48.566
2023 49.53
2024 50.402
2025 51.177
2026 51.982
2027 52.676
2028 53.222
2029 53.56
2030 53.651
2031 53.522
2032 53.205
2033 52.769
2034 52.323
2035 51.962
2036 51.696
2037 51.508
2038 51.433
2039 51.5
2040 51.713
2041 52.059
2042 52.537
2043 53.17
2044 53.985
2045 54.991
2046 56.199
2047 57.583
2048 59.133
2049 60.827
2050 62.64
2051 64.572
2052 66.621
2053 68.739
2054 70.846
2055 72.866
2056 74.778
2057 76.638
2058 78.308
2059 79.622
2060 80.494
2061 80.864
2062 80.784
2063 80.386
2064 79.862
2065 79.329
2066 78.598
2067 77.862
2068 77.204
2069 76.729
2070 76.508
2071 76.398
2072 76.567
2073 76.997
2074 77.64
2075 78.447
2076 79.336
2077 80.428
2078 81.654
2079 82.888
2080 84.024
2081 85
2082 85.912
2083 86.734
2084 87.435
2085 87.99
2086 88.345
2087 88.628
2088 88.789
2089 88.817
2090 88.747
2091 88.461
2092 88.088
2093 87.681
2094 87.309
2095 86.997
2096 86.411
2097 85.905
2098 85.505
2099 85.221
2100 85.05