| Year | Value | | 2023 | 1,462,649 | | 2022 | 1,428,608 | | 2021 | 1,429,012 | | 2020 | 1,342,006 | | 2019 | 1,392,238 | | 2018 | 1,349,935 | | 2017 | 1,268,647 | | 2016 | 1,237,897 | | 2015 | 1,179,212 | | 2014 | 1,146,736 | | 2013 | 1,191,164 | | 2012 | 1,210,274 | | 2011 | 1,077,278 | | 2010 | 1,026,627 | | 2009 | 1,045,185 | | 2008 | 999,528 | | 2007 | 984,989 | | 2006 | 911,387 | | 2005 | 973,944 | | 2004 | 973,829 | | 2003 | 862,349 | | 2002 | 846,887 | | 2001 | 831,673 | | 2000 | 816,883 | | 1999 | 804,386 | | 1998 | 789,294 | | 1997 | 771,190 | | 1996 | 744,480 | | 1995 | 724,811 | | 1994 | 695,393 | | 1993 | 670,510 | | 1992 | 647,555 | | 1991 | 631,847 |
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