Year Number
1950 63.428
1951 65.602
1952 68.154
1953 70.199
1954 71.406
1955 71.956
1956 74.206
1957 75.285
1958 75.87
1959 76.502
1960 77.322
1961 77.567
1962 78.693
1963 80.066
1964 80.823
1965 80.681
1966 81.565
1967 81.39
1968 80.642
1969 79.98
1970 79.648
1971 79.998
1972 80.188
1973 80.209
1974 79.864
1975 79.004
1976 77.537
1977 75.729
1978 73.584
1979 71.17
1980 68.603
1981 65.733
1982 63.063
1983 60.557
1984 58.247
1985 56.225
1986 54.937
1987 53.903
1988 53.12
1989 52.499
1990 51.939
1991 52.156
1992 51.891
1993 51.405
1994 50.994
1995 50.732
1996 49.727
1997 49.145
1998 48.644
1999 47.79
2000 46.447
2001 44.999
2002 43.272
2003 41.397
2004 39.621
2005 38.086
2006 37.05
2007 36.08
2008 35.286
2009 34.756
2010 34.519
2011 34.493
2012 34.737
2013 35.215
2014 35.847
2015 36.58
2016 37.506
2017 38.504
2018 39.509
2019 40.446
2020 41.259
2021 41.904
2022 42.423
2023 42.858
2024 43.284
2025 43.757
2026 44.25
2027 44.793
2028 45.41
2029 46.15
2030 47.05
2031 48.147
2032 49.388
2033 50.752
2034 52.198
2035 53.694
2036 55.221
2037 56.785
2038 58.333
2039 59.777
2040 61.052
2041 62.092
2042 62.94
2043 63.668
2044 64.371
2045 65.107
2046 65.788
2047 66.472
2048 67.249
2049 68.276
2050 69.667
2051 71.37
2052 73.457
2053 75.78
2054 78.061
2055 80.086
2056 81.741
2057 83.118
2058 84.215
2059 85.044
2060 85.605
2061 85.751
2062 85.644
2063 85.36
2064 85.008
2065 84.676
2066 84.297
2067 84.007
2068 83.799
2069 83.671
2070 83.648
2071 83.579
2072 83.626
2073 83.81
2074 84.158
2075 84.669
2076 85.051
2077 85.569
2078 86.24
2079 87
2080 87.742
2081 88.231
2082 88.819
2083 89.378
2084 89.802
2085 90.101
2086 90.197
2087 90.202
2088 90.152
2089 90.108
2090 90.1
2091 89.848
2092 89.61
2093 89.422
2094 89.331
2095 89.35
2096 89.063
2097 88.94
2098 88.987
2099 89.142
2100 89.335