| Year | Value | | 2022 | 5,267,690 | | 2021 | 5,209,594 | | 2020 | 5,169,706 | | 2019 | 5,140,782 | | 2018 | 5,106,638 | | 2017 | 5,072,893 | | 2016 | 5,039,720 | | 2015 | 4,991,090 | | 2014 | 4,933,428 | | 2013 | 4,884,794 | | 2012 | 4,843,168 | | 2011 | 4,801,482 | | 2010 | 4,753,430 | | 2009 | 4,700,806 | | 2008 | 4,639,446 | | 2007 | 4,544,457 | | 2006 | 4,423,051 | | 2005 | 4,303,762 | | 2004 | 4,198,018 | | 2003 | 4,117,086 | | 2002 | 4,057,096 | | 2001 | 4,015,641 | | 2000 | 3,985,426 | | 1999 | 3,938,942 | | 1998 | 3,879,219 | | 1997 | 3,815,945 | | 1996 | 3,746,601 | | 1995 | 3,663,441 | | 1994 | 3,563,412 | | 1993 | 3,464,338 | | 1992 | 3,383,533 | | 1991 | 3,323,846 | | 1990 | 3,275,426 | | 1989 | 3,219,834 | | 1988 | 3,147,250 | | 1987 | 3,062,944 | | 1986 | 2,974,090 | | 1985 | 2,890,845 | | 1984 | 2,821,352 | | 1983 | 2,766,336 | | 1982 | 2,723,572 | | 1981 | 2,689,359 | | 1980 | 2,658,653 | | 1979 | 2,627,842 | | 1978 | 2,592,305 | | 1977 | 2,549,834 | | 1976 | 2,503,935 | | 1975 | 2,443,127 | | 1974 | 2,358,998 | | 1973 | 2,274,831 | | 1972 | 2,205,158 | | 1971 | 2,143,468 | | 1970 | 2,082,318 | | 1969 | 2,013,372 | | 1968 | 1,934,215 | | 1967 | 1,847,580 | | 1966 | 1,758,792 | | 1965 | 1,675,128 | | 1964 | 1,600,502 | | 1963 | 1,537,330 | | 1962 | 1,488,373 | | 1961 | 1,453,817 | | 1960 | 1,427,050 |
|