Year	% of GDP
1977	83.492286115007
1978	84.85103315713599
1979	91.33180458573393
1980	92.4960682992586
1981	94.98773221170697
1982	93.76544383197111
1983	91.44736842105263
1984	94.7185341237568
1985	94.4801135209253
1986	94.08695652173913
1987	94.48047510981854
1989	107.58687132593077
1990	105.09949463044852
1991	109.44503014952622
1992	106.20167256352524
1993	102.89424320827942
1994	106.0613685179503
1995	109.60629921259843
1996	114.45358825159325
1997	98.47039650304153
1998	102.16998720954396
1999	95.94774508157998
2000	96.73037849456507
2001	97.0613729782888
2002	90.48817947205094
2003	91.90211147801206
2004	91.69888540289709
2005	96.51796425448852
2006	105.28707369249307
2007	101.02332379637495
2008	101.89530685920577
2009	101.31777727019544
2010	102.1854719208856
2011	106.91180632444429
2012	107.99589571381931
2013	106.21981954250754
2014	108.63852160997259
2015	101.06152383073879
2016	102.07320499612604
2017	107.1694165910744
2018	104.49436420995895
2019	100.10986309368326
2020	108.09282802112831
2021	109.93323892373053
2022	101.16394141469505
2023	101.10192837465564