Year Number
1950 74.767
1951 75.136
1952 75.535
1953 75.423
1954 74.86
1955 74.139
1956 77.447
1957 80.339
1958 83.008
1959 85.631
1960 88.237
1961 87.54
1962 87.03
1963 86.605
1964 86.057
1965 85.292
1966 84.157
1967 83.08
1968 81.959
1969 80.724
1970 79.334
1971 78.438
1972 77.266
1973 75.929
1974 74.566
1975 73.158
1976 71.429
1977 69.555
1978 67.577
1979 65.582
1980 63.616
1981 61.372
1982 59.788
1983 58.595
1984 57.436
1985 56.273
1986 55.941
1987 55.667
1988 56.041
1989 57.661
1990 60.615
1991 60.265
1992 60.544
1993 60.991
1994 61.111
1995 60.795
1996 59.409
1997 58.327
1998 57.64
1999 57.282
2000 56.982
2001 56.464
2002 55.855
2003 55.408
2004 55.233
2005 55.267
2006 54.466
2007 53.561
2008 52.558
2009 51.465
2010 50.301
2011 49.279
2012 48.228
2013 47.222
2014 46.346
2015 45.65
2016 45.234
2017 44.976
2018 44.86
2019 44.852
2020 44.947
2021 45.201
2022 45.547
2023 45.982
2024 46.472
2025 47.012
2026 47.607
2027 48.204
2028 48.869
2029 49.695
2030 50.733
2031 51.928
2032 53.309
2033 54.77
2034 56.131
2035 57.29
2036 58.2
2037 58.914
2038 59.436
2039 59.751
2040 59.884
2041 59.755
2042 59.422
2043 59.004
2044 58.659
2045 58.466
2046 58.327
2047 58.344
2048 58.474
2049 58.644
2050 58.809
2051 58.926
2052 59.069
2053 59.251
2054 59.501
2055 59.864
2056 60.277
2057 60.762
2058 61.332
2059 61.946
2060 62.566
2061 63.142
2062 63.774
2063 64.407
2064 65.006
2065 65.568
2066 66.09
2067 66.596
2068 67.083
2069 67.552
2070 68.017
2071 68.371
2072 68.712
2073 69.065
2074 69.463
2075 69.892
2076 70.174
2077 70.511
2078 70.887
2079 71.292
2080 71.724
2081 72.053
2082 72.423
2083 72.841
2084 73.321
2085 73.836
2086 74.196
2087 74.623
2088 75.093
2089 75.578
2090 76.065
2091 76.397
2092 76.76
2093 77.14
2094 77.543
2095 77.944
2096 78.139
2097 78.35
2098 78.579
2099 78.818
2100 79.066