Year | Value | 2023 | 44,368,658 | 2022 | 44,198,105 | 2021 | 43,386,527 | 2020 | 43,501,190 | 2019 | 44,433,744 | 2018 | 43,935,038 | 2017 | 43,819,028 | 2016 | 43,567,225 | 2015 | 42,660,629 | 2014 | 42,458,390 | 2013 | 42,212,988 | 2012 | 41,853,628 | 2011 | 41,729,225 | 2010 | 41,949,335 | 2009 | 41,978,630 | 2008 | 41,917,490 | 2007 | 41,861,246 | 2006 | 41,693,116 | 2005 | 41,239,999 | 2004 | 40,039,826 | 2003 | 40,236,914 | 2002 | 40,056,637 | 2001 | 40,029,198 | 2000 | 39,865,801 | 1999 | 40,025,495 | 1998 | 39,817,898 | 1997 | 39,749,960 | 1996 | 39,594,509 | 1995 | 39,488,772 | 1994 | 39,633,067 | 1993 | 39,581,564 | 1992 | 39,606,053 | 1991 | 39,804,078 |
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