Year % of GDP 1992 7.9088471849865964 1993 8.736529465935636 1994 19.689183198492742 1995 20.157634836065323 1996 28.62637714876567 1997 33.727194889020616 1998 29.83259445251986 1999 33.14255077883818 2000 33.75333851831014 2001 33.266425037458795 2002 33.6301079667382 2003 40.13651522051354 2004 48.64043646875605 2005 52.332647428340316 2006 59.57199009419938 2007 63.37406538855348 2008 60.93717515688155 2009 52.32694183253642 2010 55.798272734660706 2011 59.79855446568833 2012 61.635837380363476 2013 62.41130328093899 2014 63.80379806128239 2015 62.42858159083015 2016 61.2449095149509 2017 65.57954094339622 2018 71.17423855071185 2019 75.49464505490084 2020 71.13917331137401 2021 76.07230716026612 2022 76.5712629700796 2023 70.75364226877352