| Year | Value | | 2022 | 1,392,480 | | 2021 | 1,320,794 | | 2020 | 1,239,960 | | 2019 | 1,243,151 | | 2018 | 1,200,378 | | 2017 | 1,176,801 | | 2016 | 1,133,780 | | 2015 | 1,111,123 | | 2014 | 1,110,802 | | 2013 | 1,099,621 | | 2012 | 1,110,935 | | 2011 | 1,090,944 | | 2010 | 1,034,071 | | 2009 | 977,521 | | 2008 | 1,016,739 | | 2007 | 988,312 | | 2006 | 867,785 | | 2005 | 782,503 | | 2004 | 658,234 | | 2003 | 551,752 | | 2002 | 417,933 | | 2001 | 314,355 | | 2000 | 218,324 | | 1999 | 151,649 | | 1998 | 116,429 | | 1997 | 91,968 | | 1996 | 70,781 | | 1995 | 44,453 | | 1994 | 22,938 | | 1993 | 15,288 | | 1992 | 9,739 | | 1991 | 5,131 | | 1990 | 3,156 | | 1989 | 1,348 | | 1988 | 168 |
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