| Year | Value | | 2022 | 1,658,372 | | 2021 | 1,659,492 | | 2020 | 1,660,166 | | 2019 | 1,659,147 | | 2018 | 1,657,819 | | 2017 | 1,654,653 | | 2016 | 1,649,718 | | 2015 | 1,643,631 | | 2014 | 1,637,581 | | 2013 | 1,631,988 | | 2012 | 1,626,686 | | 2011 | 1,621,715 | | 2010 | 1,617,051 | | 2009 | 1,612,678 | | 2008 | 1,608,578 | | 2007 | 1,604,827 | | 2006 | 1,601,733 | | 2005 | 1,599,620 | | 2004 | 1,598,595 | | 2003 | 1,598,485 | | 2002 | 1,598,457 | | 2001 | 1,597,570 | | 2000 | 1,594,941 | | 1999 | 1,589,828 | | 1998 | 1,583,085 | | 1997 | 1,575,662 | | 1996 | 1,567,812 | | 1995 | 1,560,015 | | 1994 | 1,552,203 | | 1993 | 1,544,448 | | 1992 | 1,536,776 | | 1991 | 1,528,920 | | 1990 | 1,521,058 | | 1989 | 1,512,812 | | 1988 | 1,504,053 | | 1987 | 1,495,881 | | 1986 | 1,488,443 | | 1985 | 1,481,140 | | 1984 | 1,474,156 | | 1983 | 1,467,661 | | 1982 | 1,461,609 | | 1981 | 1,456,103 | | 1980 | 1,451,029 | | 1979 | 1,445,607 | | 1978 | 1,439,266 | | 1977 | 1,432,174 | | 1976 | 1,424,298 | | 1975 | 1,416,468 | | 1974 | 1,409,490 | | 1973 | 1,403,279 | | 1972 | 1,397,537 | | 1971 | 1,391,690 | | 1970 | 1,385,850 | | 1969 | 1,379,393 | | 1968 | 1,371,121 | | 1967 | 1,361,130 | | 1966 | 1,349,917 | | 1965 | 1,337,739 | | 1964 | 1,324,783 | | 1963 | 1,311,006 | | 1962 | 1,296,614 | | 1961 | 1,281,850 | | 1960 | 1,266,689 |
|