| Year | Value | | 2022 | 1,548,230 | | 2021 | 1,552,977 | | 2020 | 1,557,444 | | 2019 | 1,558,209 | | 2018 | 1,554,690 | | 2017 | 1,556,484 | | 2016 | 1,562,900 | | 2015 | 1,567,493 | | 2014 | 1,563,328 | | 2013 | 1,550,293 | | 2012 | 1,530,262 | | 2011 | 1,501,441 | | 2010 | 1,463,262 | | 2009 | 1,425,853 | | 2008 | 1,397,913 | | 2007 | 1,378,412 | | 2006 | 1,368,891 | | 2005 | 1,372,055 | | 2004 | 1,380,650 | | 2003 | 1,386,899 | | 2002 | 1,389,284 | | 2001 | 1,388,800 | | 2000 | 1,387,153 | | 1999 | 1,384,825 | | 1998 | 1,379,483 | | 1997 | 1,367,645 | | 1996 | 1,351,108 | | 1995 | 1,333,636 | | 1994 | 1,316,161 | | 1993 | 1,300,508 | | 1992 | 1,288,250 | | 1991 | 1,273,217 | | 1990 | 1,249,716 | | 1989 | 1,219,723 | | 1988 | 1,185,653 | | 1987 | 1,149,185 | | 1986 | 1,111,665 | | 1985 | 1,073,922 | | 1984 | 1,036,573 | | 1983 | 1,000,156 | | 1982 | 963,991 | | 1981 | 928,199 | | 1980 | 894,734 | | 1979 | 862,196 | | 1978 | 829,545 | | 1977 | 798,026 | | 1976 | 765,972 | | 1975 | 731,030 | | 1974 | 694,269 | | 1973 | 658,864 | | 1972 | 626,362 | | 1971 | 596,737 | | 1970 | 569,630 | | 1969 | 544,777 | | 1968 | 521,663 | | 1967 | 499,729 | | 1966 | 479,224 | | 1965 | 460,311 | | 1964 | 442,636 | | 1963 | 426,250 | | 1962 | 411,245 | | 1961 | 397,323 | | 1960 | 384,335 |
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