| Year | Value | | 2022 | 1,826,462 | | 2021 | 1,819,819 | | 2020 | 1,806,075 | | 2019 | 1,784,939 | | 2018 | 1,759,909 | | 2017 | 1,735,613 | | 2016 | 1,712,136 | | 2015 | 1,689,602 | | 2014 | 1,670,399 | | 2013 | 1,654,507 | | 2012 | 1,640,905 | | 2011 | 1,630,787 | | 2010 | 1,624,296 | | 2009 | 1,635,327 | | 2008 | 1,634,873 | | 2007 | 1,632,317 | | 2006 | 1,623,730 | | 2005 | 1,606,508 | | 2004 | 1,579,987 | | 2003 | 1,544,579 | | 2002 | 1,502,495 | | 2001 | 1,456,751 | | 2000 | 1,410,578 | | 1999 | 1,366,266 | | 1998 | 1,325,704 | | 1997 | 1,291,640 | | 1996 | 1,264,629 | | 1995 | 1,243,388 | | 1994 | 1,227,616 | | 1993 | 1,216,834 | | 1992 | 1,208,239 | | 1991 | 1,198,183 | | 1990 | 1,185,927 | | 1989 | 1,172,555 | | 1988 | 1,158,425 | | 1987 | 1,146,056 | | 1986 | 1,136,494 | | 1985 | 1,127,514 | | 1984 | 1,118,066 | | 1983 | 1,107,906 | | 1982 | 1,095,579 | | 1981 | 1,082,225 | | 1980 | 1,069,944 | | 1979 | 1,057,384 | | 1978 | 1,044,660 | | 1977 | 1,032,130 | | 1976 | 1,018,479 | | 1975 | 1,003,084 | | 1974 | 985,127 | | 1973 | 963,939 | | 1972 | 940,768 | | 1971 | 917,501 | | 1970 | 893,823 | | 1969 | 870,216 | | 1968 | 848,502 | | 1967 | 829,412 | | 1966 | 813,871 | | 1965 | 802,187 | | 1964 | 793,959 | | 1963 | 788,798 | | 1962 | 786,049 | | 1961 | 784,497 | | 1960 | 784,359 |
|