Year Percent of GDP (Units) 1988 23.331 1989 25.519 1990 17.989 1991 11.907 1992 64.422 1993 71.209 1994 66.992 1995 62.832 1996 71.638 1997 65.671 1998 79.415 1999 82.969 2000 88.480 2001 108.678 2002 79.620 2003 52.633 2004 49.433 2005 40.968 2006 43.729 2007 49.621 2008 47.027 2009 35.870 2010 33.810 2011 36.171 2012 39.846 2013 41.192 2014 41.507 2015 45.812 2016 41.450 2017 40.992 2018 48.191 2019 58.219 2020 54.690 2021 58.389 2022 62.880 2023 63.618 2024 63.206 2025 62.290 2026 62.219 2027 62.183 2028 61.730 2029 60.809