Year % of GDP 2001 83.08121042230809 2002 85.505073816347 2003 84.97627699188475 2004 83.85723908016323 2005 80.84878794969457 2006 79.14560057952714 2007 85.51843051386425 2008 102.74109275700674 2009 106.05755867822366 2010 104.9983649239645 2011 109.48836682696441 2012 112.52301394586095 2013 115.65655183711543 2014 119.84319143868953 2015 121.69046154415462 2016 126.8508995364467 2017 128.9059981973615 2018 134.16513830880402 2019 143.51692083203957 2020 147.27495717450574 2021 127.19630818425516 2022 132.51219126273074 2023 130.09239384976598