Year | Value | 2023 | 145,851 | 2022 | 145,313 | 2021 | 142,587 | 2020 | 141,156 | 2019 | 143,823 | 2018 | 146,039 | 2017 | 147,106 | 2016 | 148,685 | 2015 | 144,417 | 2014 | 143,390 | 2013 | 148,815 | 2012 | 146,825 | 2011 | 149,131 | 2010 | 148,400 | 2009 | 147,741 | 2008 | 147,080 | 2007 | 146,641 | 2006 | 145,822 | 2005 | 148,408 | 2004 | 147,648 | 2003 | 145,813 | 2002 | 143,335 | 2001 | 144,594 | 2000 | 142,025 | 1999 | 139,642 | 1998 | 138,898 | 1997 | 138,366 | 1996 | 136,149 | 1995 | 137,944 | 1994 | 136,015 | 1993 | 133,917 | 1992 | 131,733 | 1991 | 131,957 |
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