Year | Value | 2023 | 72,351 | 2022 | 71,949 | 2021 | 71,547 | 2020 | 70,368 | 2019 | 71,873 | 2018 | 72,100 | 2017 | 73,020 | 2016 | 74,294 | 2015 | 72,621 | 2014 | 71,758 | 2013 | 73,255 | 2012 | 71,782 | 2011 | 73,758 | 2010 | 73,230 | 2009 | 72,684 | 2008 | 72,080 | 2007 | 70,968 | 2006 | 71,372 | 2005 | 72,763 | 2004 | 72,206 | 2003 | 71,113 | 2002 | 69,423 | 2001 | 69,991 | 2000 | 68,356 | 1999 | 66,836 | 1998 | 67,047 | 1997 | 67,130 | 1996 | 65,692 | 1995 | 66,729 | 1994 | 64,769 | 1993 | 63,495 | 1992 | 62,186 | 1991 | 62,076 |
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