| Year | Value | | 2022 | 1,300,997 | | 2021 | 1,271,353 | | 2020 | 1,250,076 | | 2019 | 1,221,825 | | 2018 | 1,185,212 | | 2017 | 1,156,470 | | 2016 | 1,135,498 | | 2015 | 1,116,987 | | 2014 | 1,105,455 | | 2013 | 1,108,722 | | 2012 | 1,123,706 | | 2011 | 1,140,677 | | 2010 | 1,157,908 | | 2009 | 1,176,722 | | 2008 | 1,190,093 | | 2007 | 1,189,165 | | 2006 | 1,185,304 | | 2005 | 1,191,448 | | 2004 | 1,204,427 | | 2003 | 1,221,665 | | 2002 | 1,245,908 | | 2001 | 1,287,817 | | 2000 | 1,347,202 | | 1999 | 1,411,897 | | 1998 | 1,481,101 | | 1997 | 1,548,938 | | 1996 | 1,608,867 | | 1995 | 1,659,503 | | 1994 | 1,694,399 | | 1993 | 1,710,393 | | 1992 | 1,714,401 | | 1991 | 1,710,496 | | 1990 | 1,701,137 | | 1989 | 1,691,543 | | 1988 | 1,682,105 | | 1987 | 1,675,362 | | 1986 | 1,674,595 | | 1985 | 1,678,021 | | 1984 | 1,685,450 | | 1983 | 1,694,952 | | 1982 | 1,694,599 | | 1981 | 1,675,196 | | 1980 | 1,643,639 | | 1979 | 1,608,272 | | 1978 | 1,577,717 | | 1977 | 1,557,253 | | 1976 | 1,535,033 | | 1975 | 1,505,319 | | 1974 | 1,461,023 | | 1973 | 1,416,098 | | 1972 | 1,388,179 | | 1971 | 1,365,893 | | 1970 | 1,344,956 | | 1969 | 1,334,707 | | 1968 | 1,339,988 | | 1967 | 1,336,829 | | 1966 | 1,327,853 | | 1965 | 1,329,804 | | 1964 | 1,327,750 | | 1963 | 1,309,975 | | 1962 | 1,283,634 | | 1961 | 1,251,641 | | 1960 | 1,230,062 |
|