| Year | Value | | 2023 | 7,752,900 | | 2022 | 7,566,048 | | 2021 | 7,361,423 | | 2020 | 7,155,763 | | 2019 | 7,218,347 | | 2018 | 7,046,285 | | 2017 | 6,895,040 | | 2016 | 6,731,030 | | 2015 | 6,610,718 | | 2014 | 6,421,547 | | 2013 | 6,277,405 | | 2012 | 6,101,293 | | 2011 | 5,955,394 | | 2010 | 5,836,224 | | 2009 | 5,733,128 | | 2008 | 5,615,492 | | 2007 | 5,467,093 | | 2006 | 5,343,364 | | 2005 | 5,201,960 | | 2004 | 5,072,747 | | 2003 | 4,964,802 | | 2002 | 4,828,439 | | 2001 | 4,720,545 | | 2000 | 4,635,706 | | 1999 | 4,532,769 | | 1998 | 4,429,326 | | 1997 | 4,343,230 | | 1996 | 4,254,235 | | 1995 | 4,167,554 | | 1994 | 4,094,172 | | 1993 | 4,018,668 | | 1992 | 3,954,730 | | 1991 | 3,894,270 |
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