Year Per 100 People 1990-01-01 0.000000000000 1996-01-01 0.000000000000 1997-01-01 0.047999008602 1998-01-01 0.170124880170 1999-01-01 0.249009564460 2000-01-01 1.216140618300 2001-01-01 1.347620221600 2002-01-01 1.939530106200 2003-01-01 2.659586593900 2004-01-01 2.979069800400 2005-01-01 4.893264749700 2006-01-01 5.489200802800 2007-01-01 5.767004575600 2008-01-01 6.210000000000 2009-01-01 6.700000000000 2010-01-01 7.230000000000 2011-01-01 8.000000000000