Year	% of GDP
1977	44.2113768292004
1978	43.32612331943304
1979	42.20812384440455
1982	52.15198460666791
1983	53.468942602181265
1984	56.606531583375734
1985	61.81665637640423
1996	60.74096145237653
1997	64.87679215055832
1998	64.89125337858326
1999	73.08984413220132
2000	73.89371474899691
2001	69.85289187112598
2002	74.27294127174818
2003	78.33102465137377
2004	75.9895004649224
2005	72.57941553246215
2006	72.95686460679572
2007	75.75520433953027
2008	76.14417685039605
2009	91.6479546518479
2010	91.45354397464783
2011	90.53979316537905
2012	96.0759656717021
2013	101.3730639076419
2014	107.74168342222438
2015	120.79759352726427
2016	122.37974368345857
2017	120.00934630003943
2018	123.46625381650333
2019	129.31861396377724
2020	146.00372705951244
2021	141.86796715832946
2022	151.32455460439706
2023	158.29803563782835