Year	% of GDP
2004	40.27210637593909
2005	56.559175616907645
2006	76.21780051927455
2007	83.73459134482599
2008	89.65544963601056
2009	101.35965155603057
2010	92.77460445124086
2011	77.99844290931313
2012	72.88737948242873
2013	69.45243518195755
2014	67.24285729819685
2015	68.7060796083167
2016	69.4733424958996
2017	63.838409063770186
2018	61.9346405793328
2019	59.31089667965236
2020	63.43423544958085
2021	59.82553287138239
2022	57.68215218074607
2023	58.68514699469631