Year Number 2000 1479877.5 2001 1414775 2002 1328847.5 2003 1219987.5 2004 1098630 2005 986345 2006 898820.5 2007 841936.75 2008 809067.5 2009 805984.75 2010 815679.75 2011 813676.25 2012 814275.75 2013 814819.75 2014 793912.75 2015 762081.25 2016 739095.25 2017 730379 2018 721586.5 2019 709107.25 2020 692592.75 2021 672663.25 2022 652130 2023 644883