| Year | Value | | 2022 | 1,184,101 | | 2021 | 1,230,474 | | 2020 | 1,289,841 | | 2019 | 1,351,094 | | 2018 | 1,412,330 | | 2017 | 1,458,034 | | 2016 | 1,480,825 | | 2015 | 1,490,486 | | 2014 | 1,495,825 | | 2013 | 1,499,453 | | 2012 | 1,501,938 | | 2011 | 1,503,685 | | 2010 | 1,504,183 | | 2009 | 1,503,042 | | 2008 | 1,500,698 | | 2007 | 1,497,271 | | 2006 | 1,492,453 | | 2005 | 1,486,772 | | 2004 | 1,480,983 | | 2003 | 1,474,724 | | 2002 | 1,467,572 | | 2001 | 1,459,995 | | 2000 | 1,452,344 | | 1999 | 1,445,319 | | 1998 | 1,440,007 | | 1997 | 1,436,482 | | 1996 | 1,434,092 | | 1995 | 1,431,817 | | 1994 | 1,428,265 | | 1993 | 1,422,406 | | 1992 | 1,413,674 | | 1991 | 1,401,551 | | 1990 | 1,384,807 | | 1989 | 1,364,397 | | 1988 | 1,342,409 | | 1987 | 1,319,691 | | 1986 | 1,297,753 | | 1985 | 1,278,645 | | 1984 | 1,261,733 | | 1983 | 1,244,535 | | 1982 | 1,226,085 | | 1981 | 1,205,547 | | 1980 | 1,182,668 | | 1979 | 1,158,059 | | 1978 | 1,132,903 | | 1977 | 1,108,089 | | 1976 | 1,084,274 | | 1975 | 1,062,485 | | 1974 | 1,042,992 | | 1973 | 1,025,279 | | 1972 | 1,008,984 | | 1971 | 993,628 | | 1970 | 978,364 | | 1969 | 962,753 | | 1968 | 946,754 | | 1967 | 930,304 | | 1966 | 913,280 | | 1965 | 895,541 | | 1964 | 877,893 | | 1963 | 860,760 | | 1962 | 842,736 | | 1961 | 822,417 | | 1960 | 799,870 |
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