Year % of GDP 1990 244.38053643903302 1991 277.53030798650144 1992 164.70075355886257 1993 161.78607686910544 1994 149.20988985848285 1995 155.2792246143075 1996 175.93449073656404 1997 150.0725489427594 1998 161.2321578519478 2010 17.3215114809658 2011 18.049909357844395 2012 23.48891928066962 2013 24.22399414387667 2014 44.39586758793317 2015 49.407347345788274 2016 46.43289358113911 2017 52.28094183987542 2018 59.71222117273708 2019 61.93011738166532 2020 103.5431523466749 2021 71.41117616863826