Year | Value | 2023 | 25,661,937 | 2022 | 25,342,466 | 2021 | 25,087,249 | 2020 | 25,126,337 | 2019 | 25,907,430 | 2018 | 26,164,164 | 2017 | 26,103,399 | 2016 | 25,932,536 | 2015 | 25,654,398 | 2014 | 25,689,865 | 2013 | 25,287,655 | 2012 | 25,127,011 | 2011 | 24,567,360 | 2010 | 24,546,580 | 2009 | 24,612,153 | 2008 | 24,816,663 | 2007 | 24,473,855 | 2006 | 24,509,227 | 2005 | 24,448,131 | 2004 | 24,606,509 | 2003 | 24,218,787 | 2002 | 23,868,583 | 2001 | 23,598,179 | 2000 | 23,493,362 | 1999 | 23,420,632 | 1998 | 23,268,798 | 1997 | 23,099,350 | 1996 | 23,037,248 | 1995 | 22,924,712 | 1994 | 23,079,356 | 1993 | 23,260,673 | 1992 | 23,418,471 | 1991 | 24,210,879 |
|