Year per 1,000 population at risk 2000 0.0445002292866424 2001 0.0252143780682148 2002 0.0167469824031082 2003 0.00940306124765005 2004 0.01533069449677 2005 0.00229715618627443 2006 0 2007 0 2008 0 2009 0 2010 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2022 0