Year	% of GDP
1970	71.60008851233202
1971	75.0612675703537
1981	75.30729409335869
1982	78.0849252082523
1983	81.72300403022054
1984	84.17249374689389
1985	89.50670245416597
1986	99.61852295083547
1987	106.19734558236453
1989	116.25626111637004
1993	122.50283471776987
1994	121.0664413463167
1995	121.48590275300194
1996	120.95722775847281
1997	123.78354493467167
1998	129.2883792422793
1999	139.56565656753
2000	135.0399828730395
2001	123.9356961032948
2002	121.09375195619181
2003	124.87800373514771
2004	124.69748746350056
2005	125.43682646786752
2006	128.0497006624064
2007	128.29307203837158
2008	120.28706886784474
2009	124.97150875176042
2010	119.7721932147513
2011	115.16667949507269
2012	116.01022956824139
2013	118.0872139588949
2014	119.68614437967922
2015	124.11143532608604
2016	125.90606553612764
2017	126.82709538662509
2018	125.49466897465207
2019	131.21620428554616
2020	147.14279590905696
2021	144.45369230182314
2022	141.29320838750002
2023	147.5984322075713