Year	Number
2001	1056253
2002	1076885
2003	1153474
2004	1293658
2005	1318091
2006	1273994
2007	1297665
2008	1412597
2009	1608828
2010	1656163
2011	1508647
2012	1698521
2013	1844641
2014	1949039
2015	2019225
2016	2011109
2017	2180134