Year Percent of GDP 1995 46.971 1996 50.573 1997 46.228 1998 42.706 1999 41.557 2000 41.478 2001 44.358 2002 46.305 2003 49.947 2004 53.551 2005 58.14 2006 59.429 2007 60.545 2008 64.135 2009 76.044 2010 82.073 2011 96.066 2012 104.786 2013 108.16 2014 112.752 2015 113.864 2016 112.5 2017 110.074 2018 108.17 2019 106.971 2020 104.015 2021 100.648 2022 97.513 2023 94.482 2024 91.327