Year Number
1950 85.344
1951 86.619
1952 87.65
1953 88.876
1954 90.465
1955 92.393
1956 95.473
1957 98.779
1958 102.021
1959 104.889
1960 107.155
1961 108.405
1962 109.152
1963 109.511
1964 109.581
1965 109.373
1966 110.602
1967 111.163
1968 111.054
1969 110.276
1970 108.854
1971 107.799
1972 106.987
1973 106.374
1974 105.922
1975 105.498
1976 99.631
1977 93.94
1978 88.361
1979 83.101
1980 78.456
1981 74.392
1982 71.434
1983 69.276
1984 67.546
1985 66.083
1986 65.67
1987 64.81
1988 63.864
1989 63.252
1990 63.122
1991 63.237
1992 63.692
1993 64.338
1994 64.901
1995 65.209
1996 65.372
1997 65.395
1998 65.22
1999 64.838
2000 64.248
2001 62.336
2002 60.383
2003 58.557
2004 57.018
2005 55.847
2006 55.235
2007 54.899
2008 54.666
2009 54.339
2010 53.845
2011 53.351
2012 52.724
2013 52.023
2014 51.349
2015 50.756
2016 50.358
2017 49.99
2018 49.66
2019 49.364
2020 49.106
2021 48.952
2022 48.834
2023 48.767
2024 48.776
2025 48.874
2026 49.135
2027 49.46
2028 49.813
2029 50.14
2030 50.411
2031 50.676
2032 50.878
2033 51.044
2034 51.214
2035 51.402
2036 51.646
2037 51.905
2038 52.139
2039 52.29
2040 52.329
2041 52.296
2042 52.157
2043 51.977
2044 51.844
2045 51.813
2046 51.909
2047 52.079
2048 52.306
2049 52.567
2050 52.847
2051 53.203
2052 53.586
2053 53.964
2054 54.286
2055 54.514
2056 54.712
2057 54.821
2058 54.889
2059 54.99
2060 55.176
2061 55.49
2062 55.874
2063 56.313
2064 56.77
2065 57.214
2066 57.674
2067 58.134
2068 58.588
2069 59.037
2070 59.487
2071 59.957
2072 60.414
2073 60.871
2074 61.335
2075 61.8
2076 62.256
2077 62.718
2078 63.182
2079 63.638
2080 64.079
2081 64.511
2082 64.943
2083 65.368
2084 65.789
2085 66.214
2086 66.621
2087 67.029
2088 67.449
2089 67.884
2090 68.32
2091 68.704
2092 69.103
2093 69.507
2094 69.913
2095 70.315
2096 70.665
2097 71.027
2098 71.404
2099 71.792
2100 72.183