Year	% of GDP
1992	20.62167338335799
1993	41.44153010331976
1994	51.43452983783896
1995	37.07128267652711
1996	49.479632030573654
1997	54.62757869224746
1998	71.57533404520532
1999	83.91449769666642
2000	78.41832770873005
2001	69.09979809385794
2018	65.96531473709685
2019	60.844039717462074
2020	73.93678351528578
2021	67.5710143237735