Year % of GDP 1960 13.4693092168559 1961 13.700812490043 1962 14.6082337317397 1963 14.8156399688092 1964 17.8151918559123 1965 19.6542311191993 1966 23.0318257956449 1967 25.6410256410256 1968 27.0621346611821 1969 28.3962972229172 1995 58.6083442782283 1996 60.1535830368854 1997 62.1683110527464 1998 66.5092635945726 1999 69.3953073482368 2000 70.4826776956145 2001 74.5176218580658 2002 77.3229623472119 2003 73.9056479639693 2004 72.0513343947904 2005 74.8137108345799 2006 72.7172872341276 2007 65.964693641603 2008 69.2314127828597 2009 65.5147816493941 2010 67.3046059539871 2011 67.703294125169 2012 66.5962191874055 2013 64.8360326398 2014 65.0825486713798 2015 65.729368044322 2016 64.6955588253994 2017 64.6823557638722 2018 65.4179433559645 2019 64.1587005526516 2020 67.5511766724259 2021 69.3721071802274 2022 70.1660168625731 2023 69.8373633504034