| Year | Value | | 2022 | 1,611,352 | | 2021 | 1,569,097 | | 2020 | 1,527,339 | | 2019 | 1,474,039 | | 2018 | 1,421,515 | | 2017 | 1,376,725 | | 2016 | 1,338,116 | | 2015 | 1,304,354 | | 2014 | 1,284,797 | | 2013 | 1,284,057 | | 2012 | 1,278,874 | | 2011 | 1,264,335 | | 2010 | 1,260,397 | | 2009 | 1,253,587 | | 2008 | 1,226,936 | | 2007 | 1,186,381 | | 2006 | 1,137,306 | | 2005 | 1,102,211 | | 2004 | 1,052,761 | | 2003 | 984,544 | | 2002 | 956,303 | | 2001 | 976,647 | | 2000 | 994,625 | | 1999 | 1,024,274 | | 1998 | 1,083,577 | | 1997 | 1,124,641 | | 1996 | 1,137,160 | | 1995 | 1,139,197 | | 1994 | 1,142,048 | | 1993 | 1,135,395 | | 1992 | 1,120,658 | | 1991 | 1,106,418 | | 1990 | 1,091,252 | | 1989 | 1,075,547 | | 1988 | 1,061,848 | | 1987 | 1,049,721 | | 1986 | 1,034,923 | | 1985 | 1,013,686 | | 1984 | 985,039 | | 1983 | 950,804 | | 1982 | 915,674 | | 1981 | 883,523 | | 1980 | 860,210 | | 1979 | 849,965 | | 1978 | 848,215 | | 1977 | 849,175 | | 1976 | 851,862 | | 1975 | 855,196 | | 1974 | 856,593 | | 1973 | 851,306 | | 1972 | 840,636 | | 1971 | 830,049 | | 1970 | 816,179 | | 1969 | 803,091 | | 1968 | 793,586 | | 1967 | 780,570 | | 1966 | 763,627 | | 1965 | 756,933 | | 1964 | 743,856 | | 1963 | 716,636 | | 1962 | 694,945 | | 1961 | 682,594 | | 1960 | 659,575 |
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