Year Number
1950 83.014
1951 83.804
1952 84.156
1953 84.285
1954 84.317
1955 84.284
1956 85.199
1957 85.93
1958 86.509
1959 86.977
1960 87.377
1961 88.845
1962 89.991
1963 90.955
1964 91.869
1965 92.785
1966 94.088
1967 95.284
1968 96.362
1969 97.247
1970 97.909
1971 97.593
1972 96.992
1973 96.297
1974 95.784
1975 95.616
1976 94.156
1977 93.167
1978 92.498
1979 91.985
1980 91.593
1981 92.056
1982 92.265
1983 92.353
1984 92.402
1985 92.353
1986 92.451
1987 92.452
1988 92.282
1989 91.725
1990 90.605
1991 87.089
1992 83.401
1993 79.578
1994 75.703
1995 71.851
1996 70.89
1997 69.549
1998 68.133
1999 66.808
2000 65.61
2001 64.272
2002 62.693
2003 61.017
2004 59.377
2005 57.802
2006 52.853
2007 48.853
2008 45.715
2009 43.259
2010 41.387
2011 37.614
2012 34.637
2013 32.497
2014 31.048
2015 30.042
2016 31.322
2017 32.51
2018 33.625
2019 34.64
2020 35.507
2021 36.247
2022 36.797
2023 37.179
2024 37.395
2025 37.442
2026 37.271
2027 36.955
2028 36.55
2029 36.122
2030 35.716
2031 35.383
2032 35.071
2033 34.83
2034 34.694
2035 34.676
2036 34.789
2037 35.021
2038 35.395
2039 35.924
2040 36.624
2041 37.49
2042 38.48
2043 39.634
2044 40.985
2045 42.535
2046 44.105
2047 45.831
2048 47.669
2049 49.535
2050 51.363
2051 53.044
2052 54.653
2053 56.175
2054 57.601
2055 58.923
2056 59.986
2057 60.908
2058 61.71
2059 62.419
2060 63.044
2061 63.412
2062 63.72
2063 63.973
2064 64.175
2065 64.343
2066 64.339
2067 64.316
2068 64.343
2069 64.493
2070 64.809
2071 65.121
2072 65.594
2073 66.251
2074 67.092
2075 68.106
2076 69.129
2077 70.343
2078 71.706
2079 73.148
2080 74.621
2081 75.947
2082 77.291
2083 78.632
2084 79.935
2085 81.167
2086 82.08
2087 82.898
2088 83.616
2089 84.237
2090 84.76
2091 84.905
2092 84.959
2093 84.946
2094 84.896
2095 84.825
2096 84.444
2097 84.061
2098 83.718
2099 83.458
2100 83.309