| Year | Value | | 2022 | 1,688,445 | | 2021 | 1,737,160 | | 2020 | 1,752,506 | | 2019 | 1,730,615 | | 2018 | 1,685,543 | | 2017 | 1,605,197 | | 2016 | 1,506,677 | | 2015 | 1,430,571 | | 2014 | 1,377,559 | | 2013 | 1,335,514 | | 2012 | 1,309,065 | | 2011 | 1,300,220 | | 2010 | 1,298,285 | | 2009 | 1,290,097 | | 2008 | 1,273,976 | | 2007 | 1,258,763 | | 2006 | 1,251,663 | | 2005 | 1,251,834 | | 2004 | 1,256,824 | | 2003 | 1,265,801 | | 2002 | 1,273,710 | | 2001 | 1,278,768 | | 2000 | 1,283,346 | | 1999 | 1,290,240 | | 1998 | 1,303,115 | | 1997 | 1,325,439 | | 1996 | 1,358,631 | | 1995 | 1,399,174 | | 1994 | 1,420,798 | | 1993 | 1,398,865 | | 1992 | 1,349,150 | | 1991 | 1,295,308 | | 1990 | 1,246,471 | | 1989 | 1,229,040 | | 1988 | 1,264,469 | | 1987 | 1,322,589 | | 1986 | 1,365,571 | | 1985 | 1,386,465 | | 1984 | 1,390,923 | | 1983 | 1,388,608 | | 1982 | 1,387,927 | | 1981 | 1,388,069 | | 1980 | 1,384,777 | | 1979 | 1,376,687 | | 1978 | 1,364,112 | | 1977 | 1,348,230 | | 1976 | 1,332,781 | | 1975 | 1,317,516 | | 1974 | 1,299,946 | | 1973 | 1,279,680 | | 1972 | 1,257,436 | | 1971 | 1,233,633 | | 1970 | 1,208,052 | | 1969 | 1,184,195 | | 1968 | 1,164,131 | | 1967 | 1,146,056 | | 1966 | 1,129,496 | | 1965 | 1,114,247 | | 1964 | 1,098,564 | | 1963 | 1,086,224 | | 1962 | 1,075,255 | | 1961 | 1,062,251 | | 1960 | 1,049,575 |
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