| Year | Value | | 2022 | 3,041,632 | | 2021 | 3,048,902 | | 2020 | 3,074,568 | | 2019 | 3,114,919 | | 2018 | 3,172,174 | | 2017 | 3,242,719 | | 2016 | 3,287,675 | | 2015 | 3,307,208 | | 2014 | 3,314,502 | | 2013 | 3,298,810 | | 2012 | 3,268,700 | | 2011 | 3,233,331 | | 2010 | 3,198,686 | | 2009 | 3,173,309 | | 2008 | 3,163,136 | | 2007 | 3,166,462 | | 2006 | 3,187,069 | | 2005 | 3,189,852 | | 2004 | 3,186,147 | | 2003 | 3,174,872 | | 2002 | 3,164,844 | | 2001 | 3,156,537 | | 2000 | 3,147,279 | | 1999 | 3,139,325 | | 1998 | 3,129,545 | | 1997 | 3,110,403 | | 1996 | 3,086,958 | | 1995 | 3,054,188 | | 1994 | 3,006,475 | | 1993 | 2,956,356 | | 1992 | 2,910,753 | | 1991 | 2,860,516 | | 1990 | 2,806,107 | | 1989 | 2,751,260 | | 1988 | 2,741,553 | | 1987 | 2,728,718 | | 1986 | 2,674,769 | | 1985 | 2,634,715 | | 1984 | 2,599,593 | | 1983 | 2,509,117 | | 1982 | 2,396,722 | | 1981 | 2,319,738 | | 1980 | 2,236,356 | | 1979 | 2,145,351 | | 1978 | 2,050,234 | | 1977 | 1,976,061 | | 1976 | 1,927,015 | | 1975 | 1,898,148 | | 1974 | 1,897,828 | | 1973 | 1,942,980 | | 1972 | 1,949,513 | | 1971 | 1,890,240 | | 1970 | 1,824,000 | | 1969 | 1,744,371 | | 1968 | 1,620,244 | | 1967 | 1,526,718 | | 1966 | 1,492,230 | | 1965 | 1,431,239 | | 1964 | 1,357,441 | | 1963 | 1,286,565 | | 1962 | 1,234,971 | | 1961 | 1,197,558 | | 1960 | 1,168,122 |
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