| Year | Value | | 2024 | 1,390,230 | | 2023 | 1,374,936 | | 2022 | 1,354,455 | | 2021 | 1,331,770 | | 2020 | 1,304,629 | | 2019 | 1,268,090 | | 2018 | 1,224,983 | | 2017 | 1,179,280 | | 2016 | 1,133,554 | | 2015 | 1,089,126 | | 2014 | 1,045,540 | | 2013 | 1,002,316 | | 2012 | 959,482 | | 2011 | 917,391 | | 2010 | 876,633 | | 2009 | 838,250 | | 2008 | 798,976 | | 2007 | 759,100 | | 2006 | 722,352 | | 2005 | 687,370 | | 2004 | 652,939 | | 2003 | 622,849 | | 2002 | 596,404 | | 2001 | 569,351 | | 2000 | 542,776 | | 1999 | 517,485 | | 1998 | 493,862 | | 1997 | 472,497 | | 1996 | 453,996 | | 1995 | 438,224 | | 1994 | 424,742 | | 1993 | 413,578 | | 1992 | 404,115 | | 1991 | 395,061 | | 1990 | 385,649 | | 1989 | 376,097 | | 1988 | 366,704 | | 1987 | 357,350 | | 1986 | 348,173 | | 1985 | 339,498 | | 1984 | 330,521 | | 1983 | 320,626 | | 1982 | 310,584 | | 1981 | 300,807 | | 1980 | 291,402 | | 1979 | 282,285 | | 1978 | 273,342 | | 1977 | 264,847 | | 1976 | 257,528 | | 1975 | 251,553 |
|