Year Per 100 People 1990-01-01 0.0000000000000 1996-01-01 0.0058495028215 1997-01-01 0.0142708807250 1998-01-01 0.0278782012540 1999-01-01 0.0408942871770 2000-01-01 0.0533941742150 2001-01-01 0.0785434278390 2002-01-01 0.1285371165100 2003-01-01 0.1515633379400 2004-01-01 0.2234013954600 2005-01-01 0.2681956092000 2006-01-01 0.3111591732400 2007-01-01 0.3758159610400 2008-01-01 1.0000000000000 2009-01-01 1.8000000000000 2010-01-01 2.0000000000000 2011-01-01 2.2000000000000