Year Total
2004 2,950
2005 3,110
2006 2,700
2007 2,820
2008 2,830
2009 3,260
2010 2,590
2011 2,190
2012 2,150
2013 2,720
2014 2,210
2015 2,760
2016 2,560
2017 2,940
2018 2,690
2019 2,820
2020 2,730