Year	% of GDP
1995	0.058186633208405
1996	5.137092850303723
1997	5.9230669593668255
1998	7.191896219658757
1999	9.430441338811645
2000	13.782672231031595
2001	16.3580954622492
2002	19.411871053630502
2003	24.434256316303994
2004	26.993942841533467
2005	30.621653152554973
2006	34.49917463815525
2007	33.88323859386112
2008	31.182077672165537
2009	24.861960498613573
2010	25.130242732070624
2011	21.547826803346222
2012	22.808685029492068
2013	23.07681483988655
2014	22.079345864455675
2015	19.751035292269034
2016	18.384102805097253
2017	17.214635800724825
2018	16.333738652303175
2019	16.27283824623813
2020	16.27492238441102
2021	15.478748439119752
2022	14.043908284798587
2023	12.2736950209589