Year	% of GDP
1984	10.3465099334717
1998	5.51712989807129
1999	5.38055992126465
2000	4.87807989120483
2001	4.47756004333496
2002	3.79500007629395
2003	4.15951013565063
2004	3.91376996040344
2017	5.05900001525879
2018	4.9689998626709
2019	5.27299976348877
2020	4.86100006103516
2021	4.92700004577637
2022	5.64599990844727