Year Number
1950 62.187
1951 63.65
1952 65.587
1953 67.234
1954 68.443
1955 69.407
1956 71.931
1957 73.643
1958 75.05
1959 76.532
1960 78.159
1961 79.828
1962 81.729
1963 83.569
1964 84.901
1965 85.547
1966 86.399
1967 86.61
1968 86.358
1969 85.916
1970 85.422
1971 85.463
1972 85.248
1973 84.872
1974 84.408
1975 83.887
1976 83.626
1977 83.3
1978 82.888
1979 82.349
1980 81.676
1981 81.351
1982 80.86
1983 80.198
1984 79.332
1985 78.239
1986 77.475
1987 76.331
1988 74.939
1989 73.457
1990 71.954
1991 70.555
1992 69.252
1993 67.947
1994 66.528
1995 64.98
1996 63.551
1997 62.053
1998 60.554
1999 59.159
2000 57.918
2001 57.239
2002 56.661
2003 56.174
2004 55.728
2005 55.276
2006 55.081
2007 54.785
2008 54.397
2009 53.941
2010 53.431
2011 52.568
2012 51.695
2013 50.811
2014 49.923
2015 49.054
2016 48.23
2017 47.466
2018 46.748
2019 46.065
2020 45.422
2021 45.06
2022 44.673
2023 44.317
2024 44.048
2025 43.889
2026 43.877
2027 43.948
2028 44.084
2029 44.243
2030 44.403
2031 44.652
2032 44.883
2033 45.094
2034 45.288
2035 45.467
2036 45.71
2037 45.909
2038 46.072
2039 46.209
2040 46.328
2041 46.519
2042 46.672
2043 46.79
2044 46.878
2045 46.937
2046 47.09
2047 47.202
2048 47.279
2049 47.324
2050 47.342
2051 47.469
2052 47.558
2053 47.63
2054 47.705
2055 47.799
2056 48.063
2057 48.322
2058 48.586
2059 48.869
2060 49.175
2061 49.655
2062 50.129
2063 50.61
2064 51.109
2065 51.633
2066 52.342
2067 53.045
2068 53.72
2069 54.335
2070 54.867
2071 55.475
2072 55.984
2073 56.39
2074 56.692
2075 56.889
2076 57.136
2077 57.262
2078 57.298
2079 57.284
2080 57.246
2081 57.354
2082 57.422
2083 57.459
2084 57.476
2085 57.48
2086 57.669
2087 57.834
2088 57.982
2089 58.117
2090 58.241
2091 58.564
2092 58.86
2093 59.134
2094 59.391
2095 59.629
2096 60.038
2097 60.418
2098 60.769
2099 61.082
2100 61.348