| Year | Value | | 2022 | 1,198,756 | | 2021 | 1,178,820 | | 2020 | 1,234,195 | | 2019 | 1,282,891 | | 2018 | 1,323,896 | | 2017 | 1,362,624 | | 2016 | 1,398,893 | | 2015 | 1,440,094 | | 2014 | 1,491,565 | | 2013 | 1,547,570 | | 2012 | 1,596,337 | | 2011 | 1,623,657 | | 2010 | 1,631,855 | | 2009 | 1,635,672 | | 2008 | 1,621,201 | | 2007 | 1,602,725 | | 2006 | 1,596,169 | | 2005 | 1,587,904 | | 2004 | 1,563,792 | | 2003 | 1,532,740 | | 2002 | 1,496,670 | | 2001 | 1,450,782 | | 2000 | 1,397,611 | | 1999 | 1,362,479 | | 1998 | 1,321,878 | | 1997 | 1,286,530 | | 1996 | 1,260,079 | | 1995 | 1,244,608 | | 1994 | 1,243,904 | | 1993 | 1,258,174 | | 1992 | 1,281,871 | | 1991 | 1,314,195 | | 1990 | 1,358,552 | | 1989 | 1,414,168 | | 1988 | 1,494,500 | | 1987 | 1,577,271 | | 1986 | 1,637,304 | | 1985 | 1,686,754 | | 1984 | 1,717,201 | | 1983 | 1,727,101 | | 1982 | 1,726,720 | | 1981 | 1,719,008 | | 1980 | 1,700,317 | | 1979 | 1,667,390 | | 1978 | 1,633,375 | | 1977 | 1,593,451 | | 1976 | 1,532,442 | | 1975 | 1,429,347 | | 1974 | 1,304,590 | | 1973 | 1,185,604 | | 1972 | 1,069,908 | | 1971 | 982,952 | | 1970 | 961,813 | | 1969 | 988,665 | | 1968 | 1,019,013 | | 1967 | 1,052,533 | | 1966 | 1,084,697 | | 1965 | 1,108,453 | | 1964 | 1,117,112 | | 1963 | 1,117,658 | | 1962 | 1,126,687 | | 1961 | 1,145,171 | | 1960 | 1,172,731 |
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