Year Per 100 People 1990-01-01 0.00000000000000 1995-01-01 0.00069284816717 1996-01-01 0.01123821911500 1997-01-01 0.02734744147700 1998-01-01 0.07987137939000 1999-01-01 0.31109095242000 2000-01-01 0.40396748587000 2001-01-01 0.98379405885000 2002-01-01 1.00645453670000 2003-01-01 2.10143642990000 2004-01-01 4.38602398010000 2005-01-01 4.78668408310000 2006-01-01 5.61173865220000 2007-01-01 7.70000000000000 2008-01-01 10.60000000000000 2009-01-01 14.50000000000000 2010-01-01 16.00000000000000 2011-01-01 17.50000000000000