Year % of GDP 2000 8.43604712524057 2001 8.558084726991261 2002 8.781175487404681 2003 8.996402475913152 2004 9.003199681978172 2005 9.072746422654186 2006 9.041240089512439 2007 8.929792249697977 2008 9.200278139554452 2009 9.957579580236539 2010 9.896649615414432 2011 9.833599957218398 2012 9.924805661802674 2013 9.982950061930964 2014 10.007680951928203 2015 9.957893109216297 2016 9.94583554674463 2017 9.897823774257114 2018 9.874150844838601 2019 9.936616441447752 2020 10.87223205835394 2021 10.950352567956951