| Year | Value | | 2023 | 1,529,130 | | 2022 | 1,483,893 | | 2021 | 1,439,880 | | 2020 | 1,388,573 | | 2019 | 1,364,183 | | 2018 | 1,324,963 | | 2017 | 1,287,081 | | 2016 | 1,250,665 | | 2015 | 1,215,805 | | 2014 | 1,182,231 | | 2013 | 1,150,184 | | 2012 | 1,119,759 | | 2011 | 1,090,608 | | 2010 | 1,062,393 | | 2009 | 1,034,714 | | 2008 | 1,005,754 | | 2007 | 976,621 | | 2006 | 947,061 | | 2005 | 919,206 | | 2004 | 894,234 | | 2003 | 869,356 | | 2002 | 845,392 | | 2001 | 821,955 | | 2000 | 797,858 | | 1999 | 771,367 | | 1998 | 744,540 | | 1997 | 718,163 | | 1996 | 690,690 | | 1995 | 661,010 | | 1994 | 629,368 | | 1993 | 624,379 | | 1992 | 626,026 | | 1991 | 606,118 |
|