0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
1,800,000
2,000,000
2,200,000
2,400,000
2,600,000
2,800,000
3,000,000
3,200,000
3,400,000
3,600,000
3,800,000
4,000,000
2003
211,000
2004
1,024,341
2005
1,657,646
2006
2,019,689
2007
4,016,576
2008
1,123,520
2009
287,349
2010
114,898
2011
712,089
2012
184,535
2013
51,370