Year	Per 100 People
1990-01-01	0.000000000000
1997-01-01	0.004172527329
1998-01-01	0.040594794935
1999-01-01	0.118464463620
2000-01-01	0.192031462430
2001-01-01	0.261448551970
2002-01-01	0.363229414610
2003-01-01	0.424004895840
2004-01-01	0.481470438230
2005-01-01	0.669966474880
2006-01-01	0.979661252730
2007-01-01	1.433613195900
2008-01-01	1.870000000000
2009-01-01	2.280000000000
2010-01-01	4.000000000000
2011-01-01	4.500000000000