Year	% of GDP
2011	18.406497058863106
2012	21.811514690865412
2013	21.757593810877477
2014	21.532065898398045
2015	23.19303145091891
2016	23.473704273396354
2017	24.513481115634885
2018	22.573735808166916
2019	23.979509066427923
2020	21.711067170368622
2021	20.018189906344677
2022	18.170380046174973
2023	15.941279498499709