| Year | Value | | 2022 | 1,498,302 | | 2021 | 1,362,549 | | 2020 | 1,275,283 | | 2019 | 1,247,744 | | 2018 | 1,231,803 | | 2017 | 1,227,711 | | 2016 | 1,248,560 | | 2015 | 1,278,592 | | 2014 | 1,296,622 | | 2013 | 1,307,219 | | 2012 | 1,322,698 | | 2011 | 1,341,962 | | 2010 | 1,360,217 | | 2009 | 1,370,196 | | 2008 | 1,371,393 | | 2007 | 1,365,516 | | 2006 | 1,352,817 | | 2005 | 1,338,863 | | 2004 | 1,325,932 | | 2003 | 1,318,412 | | 2002 | 1,314,066 | | 2001 | 1,313,312 | | 2000 | 1,314,441 | | 1999 | 1,269,084 | | 1998 | 1,168,087 | | 1997 | 1,047,803 | | 1996 | 907,450 | | 1995 | 769,496 | | 1994 | 734,535 | | 1993 | 801,544 | | 1992 | 890,229 | | 1991 | 987,920 | | 1990 | 1,069,809 | | 1989 | 1,104,218 | | 1988 | 1,097,358 | | 1987 | 1,085,962 | | 1986 | 1,078,465 | | 1985 | 1,072,667 | | 1984 | 1,060,383 | | 1983 | 1,047,207 | | 1982 | 1,037,570 | | 1981 | 1,030,813 | | 1980 | 1,019,433 | | 1979 | 1,002,836 | | 1978 | 983,325 | | 1977 | 960,799 | | 1976 | 938,958 | | 1975 | 918,702 | | 1974 | 899,227 | | 1973 | 884,084 | | 1972 | 866,843 | | 1971 | 843,873 | | 1970 | 823,776 | | 1969 | 809,550 | | 1968 | 794,751 | | 1967 | 780,836 | | 1966 | 768,391 | | 1965 | 758,669 | | 1964 | 749,298 | | 1963 | 737,421 | | 1962 | 727,706 | | 1961 | 717,292 | | 1960 | 703,703 |
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