Year % of GDP 1970 44.962510497512056 1971 -10.03642961777693 1990 2.73485034999162 1991 0.2996387539048661 1992 0.4399960964351411 1993 3.717733127638729 1994 -1.739906751394901 1995 0.5257970455988237 1996 2.6817686778920202 1997 -0.6726285185593914 1998 1.0080780609252202 1999 1.7061578250003102 2000 1.1175327463357672 2001 -0.18321061767337332 2002 0.8499470159625896 2003 -0.5062952920191208 2004 0.5650852811799445 2005 1.3151387778029389 2006 2.0087799070707884 2007 1.8268684255491245 2008 1.5721630708528573 2009 2.4168889955675787 2010 -0.29102811704239645 2011 2.5878923729292054 2012 8.102902211815598 2013 2.0903670518000306 2014 1.952314382894196 2015 1.5896005627855974 2016 0.0036664528459712945 2017 2.583850744113258 2018 2.142382975004016 2019 0.335534744115171 2020 2.79660588405672 2021 2.9804035553134445 2022 3.379507336327269