Year	% of GDP
1992	21.767960854255268
1993	31.173873947519006
1994	30.172203224230582
1995	43.91371340523883
1996	38.73338474799256
1997	29.92315878494576
1998	52.33243612221871
1999	62.13341226742634
2000	54.7967675739453
2001	42.64967028978971
2002	39.656667449409575
2003	46.601087671684716
2004	36.610953779392766
2005	35.23405237643621
2006	25.919880123816764
2007	25.6346449489988
2008	26.360842688622295
2009	20.111734058901064
2010	31.806266265119397
2011	26.616994336900856
