Year	% of GDP
2008	37.05908893997829
2009	37.35987311113947
2010	36.678859974356534
2011	36.2121686668943
2012	37.03677950091359
2013	38.10405503889858
2014	37.6804826288063
2015	38.759400092114205
2016	39.56187224294611
2017	39.794950783369806
2018	40.96093209370796
2019	40.74523113272751
2020	40.03743191152094
2021	39.90381984969627
2022	39.418514157848165
2023	41.49270274226391