Year	Number
1997	127000
1998	90000
1999	111000
2000	209000
2001	194000
2002	231000
2003	220000
2004	206000
2005	251000
2006	270000
2007	282000
2008	334000
2009	438000
2010	393000
2011	359000
2012	351000
2013	339000