Year % of GDP 2008 1.197633162555185 2009 3.7518940609372615 2010 3.258575021625771 2011 2.311803922058676 2012 2.9932887428660213 2013 3.6721947738262344 2014 3.5571152963502524 2015 3.5837633057893066 2016 3.3118359584168826 2017 1.6057809444587214 2018 2.5620976472251424 2019 2.5379296708139214 2020 3.15290453139812 2021 3.8468441582341 2022 3.9347670642394985