| Year | Value | | 2022 | 1,673,291 | | 2021 | 1,893,529 | | 2020 | 1,855,521 | | 2019 | 1,812,631 | | 2018 | 1,752,247 | | 2017 | 1,699,448 | | 2016 | 1,674,262 | | 2015 | 1,657,138 | | 2014 | 1,636,426 | | 2013 | 1,624,172 | | 2012 | 1,618,036 | | 2011 | 1,612,888 | | 2010 | 1,601,520 | | 2009 | 1,585,265 | | 2008 | 1,569,311 | | 2007 | 1,554,554 | | 2006 | 1,538,232 | | 2005 | 1,527,980 | | 2004 | 1,539,142 | | 2003 | 1,579,759 | | 2002 | 1,636,143 | | 2001 | 1,704,125 | | 2000 | 1,786,946 | | 1999 | 1,864,021 | | 1998 | 1,913,097 | | 1997 | 1,939,806 | | 1996 | 1,949,367 | | 1995 | 1,933,685 | | 1994 | 1,911,923 | | 1993 | 1,886,214 | | 1992 | 1,852,692 | | 1991 | 1,832,294 | | 1990 | 1,827,483 | | 1989 | 1,833,613 | | 1988 | 1,824,998 | | 1987 | 1,778,725 | | 1986 | 1,702,691 | | 1985 | 1,574,467 | | 1984 | 1,406,882 | | 1983 | 1,267,201 | | 1982 | 1,182,605 | | 1981 | 1,190,519 | | 1980 | 1,312,461 | | 1979 | 1,496,058 | | 1978 | 1,710,686 | | 1977 | 1,939,466 | | 1976 | 2,068,308 | | 1975 | 2,077,672 | | 1974 | 1,997,067 | | 1973 | 1,825,962 | | 1972 | 1,631,917 | | 1971 | 1,496,351 | | 1970 | 1,476,936 | | 1969 | 1,551,267 | | 1968 | 1,677,198 | | 1967 | 1,792,262 | | 1966 | 1,841,401 | | 1965 | 1,805,218 | | 1964 | 1,712,592 | | 1963 | 1,589,087 | | 1962 | 1,437,620 | | 1961 | 1,291,479 | | 1960 | 1,164,244 |
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