Year	% of GDP
1992	7.810856541821008
1993	16.995013488105943
1994	25.137396189545676
1995	22.53669613170059
1996	27.589257360613345
1997	31.280727381612326
1998	32.28685891508574
1999	45.51417964924775
2000	21.99675676030268
2001	35.26062176107955
2002	29.548932327054377
2003	26.543960407546425
2004	20.262921745740936
2005	20.339439720604474
2006	13.681116543824379
2007	12.673575413660867
2008	12.713540480013885
2009	9.26379597839317
2010	12.385401492708317
2011	12.626317662695987