Year	% of GDP
1997	71.51008308635463
1998	71.33470111892689
1999	69.37678233318704
2000	73.93698306555328
2001	72.94766445652515
2002	72.91728611815198
2003	75.45211888392632
2004	77.9238414203896
2005	78.62338525895579
2006	77.04192997843623
2007	76.41784861883738
2008	76.71888614335239
2009	76.18811508901877
2010	71.65096974135953
2011	69.2830383786366
2012	67.16489165353252
2013	67.68574990357372
2014	70.8161170164159
2015	75.69419640477697
2016	71.5418679712221
2017	71.86350399934108
2018	72.418138843639
2019	69.67730923626209
2020	68.76585908037715
2021	64.50456596968381
2022	68.70782693625006