Year Per 100 People 1990-01-01 0.000000000000 1996-01-01 0.003042978789 1997-01-01 0.011842610756 1998-01-01 0.020197055165 1999-01-01 0.056250628952 2000-01-01 0.109592530040 2001-01-01 0.160031946640 2002-01-01 0.259612611250 2003-01-01 0.419538843910 2004-01-01 0.679447835390 2005-01-01 0.854357118110 2006-01-01 0.842954488040 2007-01-01 0.910000000000 2008-01-01 1.560000000000 2009-01-01 2.680000000000 2010-01-01 4.170000000000 2011-01-01 4.300000000000