Year	% of GDP
1977	47.100281251450625
1978	45.85445821475009
1979	45.771386022513965
1980	48.51116615466194
1981	51.7477196709741
1982	52.86983737108192
1983	54.93536036577681
1984	57.681045981863505
1985	63.24129518687026
1986	71.69509911620112
1988	68.20981365451475
1989	71.41673824566838
1990	76.36318534543518
1991	78.26664029755288
1992	79.34820850524177
1993	87.23390095757291
1994	81.03019835496524
1995	80.87513660742279
1996	87.6195396620059
1997	95.54371402546475
1998	101.55988614760633
1999	104.90662995593455
2000	105.46950501122673
2001	104.9542932916129
2002	111.03744181603867
2003	118.10732782136009
2004	112.20470019525666
2005	105.94904318583342
2006	103.63895840496392
2007	101.53474843260081
2008	98.23578712516579
2009	111.07212700578509
2010	111.36978546522559
2011	110.09635333068137
2012	116.10295037523915
2013	122.15721680589598
2014	128.0535125753655
2015	139.68299756654372
2016	142.30872153933313
2017	141.4007553070185
2018	144.8542282931994
2019	150.70766587445192
2020	167.3047678575355
2021	164.2808806451921
2022	170.34049352748633
2023	177.99046644466443