| Year | Value | | 2022 | 1,601,849 | | 2021 | 1,545,092 | | 2020 | 1,453,819 | | 2019 | 1,382,102 | | 2018 | 1,334,678 | | 2017 | 1,283,270 | | 2016 | 1,227,049 | | 2015 | 1,178,897 | | 2014 | 1,146,975 | | 2013 | 1,128,483 | | 2012 | 1,120,267 | | 2011 | 1,117,770 | | 2010 | 1,115,895 | | 2009 | 1,118,335 | | 2008 | 1,127,636 | | 2007 | 1,139,154 | | 2006 | 1,149,730 | | 2005 | 1,154,805 | | 2004 | 1,153,502 | | 2003 | 1,147,109 | | 2002 | 1,136,381 | | 2001 | 1,119,786 | | 2000 | 1,100,098 | | 1999 | 1,079,967 | | 1998 | 1,057,884 | | 1997 | 1,036,758 | | 1996 | 1,017,959 | | 1995 | 1,000,542 | | 1994 | 980,431 | | 1993 | 959,176 | | 1992 | 932,513 | | 1991 | 901,043 | | 1990 | 873,554 | | 1989 | 850,553 | | 1988 | 832,515 | | 1987 | 817,665 | | 1986 | 803,167 | | 1985 | 786,506 | | 1984 | 767,967 | | 1983 | 748,241 | | 1982 | 729,255 | | 1981 | 712,386 | | 1980 | 696,966 | | 1979 | 683,536 | | 1978 | 671,963 | | 1977 | 660,650 | | 1976 | 650,371 | | 1975 | 640,340 | | 1974 | 628,802 | | 1973 | 618,035 | | 1972 | 607,298 | | 1971 | 594,069 | | 1970 | 579,326 | | 1969 | 565,539 | | 1968 | 552,068 | | 1967 | 539,218 | | 1966 | 529,400 | | 1965 | 520,295 | | 1964 | 507,075 | | 1963 | 490,067 | | 1962 | 473,009 | | 1961 | 456,901 | | 1960 | 442,773 |
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