Year % of GDP 1993 71.33484916436696 1994 65.96261480868371 1995 67.14358242370186 1996 71.45917183493341 1997 77.09513585377495 1998 79.72266701798193 1999 70.67106462437201 2000 84.09660786217103 2001 88.8761626412672 2002 87.73636012951077 2003 94.54397459179683 2004 100.29520033922164 2005 105.59998090804169 2006 123.03557167159424 2007 138.0504808277092 2008 143.95434145254674 2009 125.30075287235528 2010 145.4232945694408 2011 160.04673945659874 2012 167.15045812017445 2013 169.4199460165479 2014 165.39913989714924 2015 166.45841389698015 2016 168.68865615089922 2017 172.5363912306192 2018 175.5517659951842 2019 169.81094207696034 2020 160.23647633624037 2021 175.2498948066826 2022 191.07366004533256 2023 173.83967394752617