Year	% of GDP
1978	1.8624119923888753
1979	2.4501450056164362
1980	2.5243154744512077
1981	2.2916902265662147
1982	2.734298259796821
1983	3.070953615181852
1984	2.595484664014476
1986	2.316637609548402
1987	2.7100622722737966
1988	2.6451179990184506
1989	2.6649551383710572
1990	2.852545474455205
1991	2.3468953200057365
1992	3.225075909660446
1993	2.9262040427134055
1994	3.2387438788091214
1995	3.2148380636918734
1996	2.977500326310004
1997	3.0425784421129163
1998	3.2091066150749867
1999	3.3383018101109836
2000	3.48451589366441
2001	3.679038491654985
2002	4.330948221570971
2003	4.573524177230923
2004	4.611157411386541
2005	4.3377388969015795
2006	4.4765122917103435
2007	4.5339514656526525
2008	4.811212268998497
2009	4.772926700019431
2010	4.861254426594535
2011	5.4042928660545355
2012	6.027333896139422
2013	5.788172054453115
2014	5.765217384015605
2015	6.049955454239342
2016	5.3565456029511695
2017	5.3078836313598545
2018	5.666157693060807
2019	5.875942542930289
2020	6.025862482284341
2021	5.814161981927703
2022	5.742349597679688
2023	5.649701093745168