Year | Value | 2022 | 529,402 | 2021 | 529,080 | 2020 | 520,333 | 2019 | 508,672 | 2018 | 495,410 | 2017 | 481,652 | 2016 | 467,632 | 2015 | 443,414 | 2014 | 393,630 | 2013 | 329,822 | 2012 | 296,910 | 2011 | 290,214 | 2010 | 280,716 | 2009 | 273,063 | 2008 | 266,372 | 2007 | 260,421 | 2006 | 245,944 | 2005 | 232,361 | 2004 | 229,842 | 2003 | 228,926 | 2002 | 229,553 | 2001 | 230,629 | 2000 | 231,592 | 1999 | 232,065 | 1998 | 231,904 | 1997 | 230,608 | 1996 | 226,895 | 1995 | 219,398 | 1994 | 207,397 | 1993 | 191,528 | 1992 | 173,924 | 1991 | 156,722 | 1990 | 140,810 | 1989 | 128,848 | 1988 | 120,531 | 1987 | 112,817 | 1986 | 105,620 | 1985 | 98,959 | 1984 | 92,844 | 1983 | 87,215 | 1982 | 82,035 | 1981 | 77,362 | 1980 | 73,245 | 1979 | 69,785 | 1978 | 66,994 | 1977 | 64,589 | 1976 | 62,388 | 1975 | 60,384 | 1974 | 58,504 | 1973 | 56,718 | 1972 | 55,160 | 1971 | 53,846 | 1970 | 52,517 | 1969 | 50,927 | 1968 | 48,987 | 1967 | 46,797 | 1966 | 44,542 | 1965 | 42,333 | 1964 | 40,178 | 1963 | 38,100 | 1962 | 36,018 | 1961 | 33,814 | 1960 | 31,515 |
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