Year % 2000 0.0129330954068999 2001 0.0126542686255277 2002 0.0127657517262462 2003 0.0121682256657878 2004 0.0126070454440146 2005 0.0134305592949203 2006 0.0116219898107041 2007 0.012235088385612 2008 0.0121363762346665 2009 0.0127512824614346 2010 0.0122055094930813 2011 0.011736304813708 2012 0.0127172827645912 2013 0.0129696005309632 2014 0.0118288931224922 2015 0.01263552577606 2016 0.0135930596683185 2017 0.0101417221648581 2018 0.0106779589324859 2019 0.0118623568268239 2020 0.0115985129436371