Year | Value | 2022 | 3,438,485 | 2021 | 3,410,740 | 2020 | 3,386,730 | 2019 | 3,339,741 | 2018 | 3,263,233 | 2017 | 3,172,322 | 2016 | 3,078,021 | 2015 | 2,972,633 | 2014 | 2,875,958 | 2013 | 2,807,389 | 2012 | 2,757,431 | 2011 | 2,720,770 | 2010 | 2,749,135 | 2009 | 2,729,386 | 2008 | 2,690,962 | 2007 | 2,623,619 | 2006 | 2,517,186 | 2005 | 2,362,671 | 2004 | 2,255,145 | 2003 | 2,241,860 | 2002 | 2,259,843 | 2001 | 2,365,657 | 2000 | 2,595,492 | 1999 | 2,802,787 | 1998 | 2,924,130 | 1997 | 3,013,399 | 1996 | 3,030,064 | 1995 | 2,958,868 | 1994 | 2,850,710 | 1993 | 2,703,511 | 1992 | 2,542,722 | 1991 | 2,411,941 | 1990 | 2,316,594 | 1989 | 2,253,467 | 1988 | 2,254,975 | 1987 | 2,304,794 | 1986 | 2,350,494 | 1985 | 2,390,557 | 1984 | 2,426,415 | 1983 | 2,459,229 | 1982 | 2,508,088 | 1981 | 2,581,958 | 1980 | 2,650,412 | 1979 | 2,647,565 | 1978 | 2,510,630 | 1977 | 2,282,707 | 1976 | 2,034,900 | 1975 | 1,835,935 | 1974 | 1,817,271 | 1973 | 2,008,850 | 1972 | 2,292,418 | 1971 | 2,559,383 | 1970 | 2,765,197 | 1969 | 2,869,801 | 1968 | 2,899,635 | 1967 | 2,921,823 | 1966 | 2,944,296 | 1965 | 2,944,236 | 1964 | 2,915,455 | 1963 | 2,872,989 | 1962 | 2,828,762 | 1961 | 2,792,167 | 1960 | 2,753,687 |
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