Year	Per 100 People
1990-01-01	0.0000000000000
1997-01-01	0.0067687442944
1998-01-01	0.0132163405250
1999-01-01	0.1290675809500
2000-01-01	0.2521200777300
2001-01-01	0.2770513218500
2002-01-01	0.3608715842700
2003-01-01	0.5876226111300
2004-01-01	0.9760754154900
2005-01-01	1.4026542258000
2006-01-01	2.0287447915000
2007-01-01	2.9300000000000
2008-01-01	3.4000000000000
2009-01-01	3.8400000000000
2010-01-01	4.3000000000000
2011-01-01	5.0000000000000