| Year | Value | | 2022 | 1,031,130 | | 2021 | 996,594 | | 2020 | 1,011,272 | | 2019 | 1,057,363 | | 2018 | 1,154,062 | | 2017 | 1,250,028 | | 2016 | 1,296,472 | | 2015 | 1,307,993 | | 2014 | 1,309,207 | | 2013 | 1,309,290 | | 2012 | 1,307,878 | | 2011 | 1,303,750 | | 2010 | 1,294,754 | | 2009 | 1,281,089 | | 2008 | 1,264,948 | | 2007 | 1,247,265 | | 2006 | 1,229,490 | | 2005 | 1,213,528 | | 2004 | 1,198,715 | | 2003 | 1,182,856 | | 2002 | 1,165,492 | | 2001 | 1,146,209 | | 2000 | 1,124,701 | | 1999 | 1,101,597 | | 1998 | 1,078,082 | | 1997 | 1,054,678 | | 1996 | 1,031,967 | | 1995 | 1,011,129 | | 1994 | 992,545 | | 1993 | 975,701 | | 1992 | 960,120 | | 1991 | 945,121 | | 1990 | 929,743 | | 1989 | 913,519 | | 1988 | 896,516 | | 1987 | 879,004 | | 1986 | 861,128 | | 1985 | 842,860 | | 1984 | 824,840 | | 1983 | 807,422 | | 1982 | 789,295 | | 1981 | 769,064 | | 1980 | 746,773 | | 1979 | 722,223 | | 1978 | 695,088 | | 1977 | 666,627 | | 1976 | 638,155 | | 1975 | 609,633 | | 1974 | 581,521 | | 1973 | 554,021 | | 1972 | 527,945 | | 1971 | 504,430 | | 1970 | 483,218 | | 1969 | 463,550 | | 1968 | 445,344 | | 1967 | 428,208 | | 1966 | 411,522 | | 1965 | 395,948 | | 1964 | 381,660 | | 1963 | 368,769 | | 1962 | 357,188 | | 1961 | 346,627 | | 1960 | 336,816 |
|