| Year | Value | | 2022 | 11,758,392 | | 2021 | 11,415,747 | | 2020 | 11,109,401 | | 2019 | 10,822,993 | | 2018 | 10,546,577 | | 2017 | 10,267,570 | | 2016 | 9,975,465 | | 2015 | 9,666,299 | | 2014 | 9,369,085 | | 2013 | 9,091,720 | | 2012 | 8,824,883 | | 2011 | 8,563,234 | | 2010 | 8,291,052 | | 2009 | 8,016,443 | | 2008 | 7,745,004 | | 2007 | 7,466,233 | | 2006 | 7,199,657 | | 2005 | 6,960,873 | | 2004 | 6,735,148 | | 2003 | 6,515,482 | | 2002 | 6,308,420 | | 2001 | 6,090,406 | | 2000 | 5,852,420 | | 1999 | 5,617,574 | | 1998 | 5,377,416 | | 1997 | 5,131,685 | | 1996 | 4,894,497 | | 1995 | 4,660,970 | | 1994 | 4,414,498 | | 1993 | 4,182,535 | | 1992 | 3,975,954 | | 1991 | 3,783,152 | | 1990 | 3,616,492 | | 1989 | 3,465,396 | | 1988 | 3,390,849 | | 1987 | 3,347,851 | | 1986 | 3,319,767 | | 1985 | 3,296,542 | | 1984 | 3,274,455 | | 1983 | 3,248,652 | | 1982 | 3,217,269 | | 1981 | 3,163,767 | | 1980 | 3,103,049 | | 1979 | 3,049,802 | | 1978 | 2,993,565 | | 1977 | 2,930,936 | | 1976 | 2,854,036 | | 1975 | 2,779,072 | | 1974 | 2,714,486 | | 1973 | 2,654,826 | | 1972 | 2,596,404 | | 1971 | 2,534,341 | | 1970 | 2,465,503 | | 1969 | 2,390,445 | | 1968 | 2,309,236 | | 1967 | 2,225,625 | | 1966 | 2,149,145 | | 1965 | 2,084,789 | | 1964 | 2,030,858 | | 1963 | 1,986,457 | | 1962 | 1,950,036 | | 1961 | 1,916,819 | | 1960 | 1,886,918 |
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