Year Number
1950 80.307
1951 79.853
1952 80.173
1953 80.707
1954 81.153
1955 81.397
1956 81.711
1957 81.69
1958 81.653
1959 81.944
1960 82.683
1961 83.593
1962 84.796
1963 86.162
1964 87.393
1965 88.259
1966 88.536
1967 88.441
1968 88.092
1969 87.783
1970 87.821
1971 90.292
1972 93.289
1973 96.6
1974 99.803
1975 102.543
1976 103.085
1977 102.981
1978 102.573
1979 102.258
1980 102.204
1981 102.462
1982 102.796
1983 102.998
1984 102.74
1985 101.89
1986 100.739
1987 99.236
1988 97.398
1989 95.331
1990 93.168
1991 91.685
1992 89.974
1993 88.212
1994 86.581
1995 85.149
1996 84.241
1997 83.401
1998 82.605
1999 81.805
2000 80.973
2001 80.649
2002 80.371
2003 80.121
2004 79.85
2005 79.507
2006 79.336
2007 79.179
2008 79.037
2009 78.876
2010 78.629
2011 78.302
2012 77.712
2013 76.934
2014 76.044
2015 75.083
2016 74.079
2017 73.03
2018 71.932
2019 70.776
2020 69.574
2021 68.409
2022 67.264
2023 66.134
2024 65.032
2025 63.973
2026 63.117
2027 62.284
2028 61.495
2029 60.777
2030 60.139
2031 59.65
2032 59.217
2033 58.848
2034 58.551
2035 58.321
2036 58.213
2037 58.146
2038 58.098
2039 58.046
2040 57.976
2041 57.929
2042 57.852
2043 57.736
2044 57.569
2045 57.346
2046 57.102
2047 56.809
2048 56.468
2049 56.086
2050 55.668
2051 55.256
2052 54.812
2053 54.358
2054 53.925
2055 53.532
2056 53.218
2057 52.934
2058 52.685
2059 52.479
2060 52.321
2061 52.256
2062 52.228
2063 52.234
2064 52.267
2065 52.324
2066 52.447
2067 52.577
2068 52.724
2069 52.898
2070 53.102
2071 53.353
2072 53.622
2073 53.9
2074 54.172
2075 54.432
2076 54.685
2077 54.92
2078 55.133
2079 55.323
2080 55.492
2081 55.63
2082 55.74
2083 55.833
2084 55.924
2085 56.021
2086 56.114
2087 56.211
2088 56.317
2089 56.439
2090 56.581
2091 56.737
2092 56.911
2093 57.106
2094 57.328
2095 57.577
2096 57.833
2097 58.114
2098 58.42
2099 58.748
2100 59.096