Year	Per 100 People
1990-01-01	0.000000000000
1997-01-01	0.000000000000
1998-01-01	0.037870969819
1999-01-01	0.148162964440
2000-01-01	0.271740607290
2001-01-01	0.443068372540
2002-01-01	0.554869674990
2003-01-01	0.848189370150
2004-01-01	1.327327177900
2005-01-01	2.000000000000
2006-01-01	2.200000000000
2007-01-01	2.500000000000
2008-01-01	3.000000000000
2009-01-01	3.500000000000
2010-01-01	5.100000000000
2011-01-01	5.500000000000