| Year | Value | | 2023 | 269,680 | | 2022 | 262,176 | | 2021 | 254,825 | | 2020 | 248,588 | | 2019 | 244,747 | | 2018 | 242,287 | | 2017 | 235,740 | | 2016 | 228,684 | | 2015 | 223,434 | | 2014 | 217,387 | | 2013 | 211,059 | | 2012 | 204,750 | | 2011 | 199,608 | | 2010 | 194,736 | | 2009 | 190,751 | | 2008 | 186,955 | | 2007 | 183,504 | | 2006 | 179,943 | | 2005 | 173,604 | | 2004 | 169,193 | | 2003 | 165,049 | | 2002 | 160,854 | | 2001 | 156,030 | | 2000 | 155,247 | | 1999 | 154,454 | | 1998 | 144,330 | | 1997 | 141,195 | | 1996 | 139,036 | | 1995 | 137,821 | | 1994 | 136,585 | | 1993 | 135,519 | | 1992 | 134,919 | | 1991 | 134,405 |
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