Year % of GDP 1980 2.20454265465839 1981 2.20122357890417 1982 2.04021589993593 1983 1.9850871304954099 1984 1.9067272179183299 1985 4.29928084311907 1986 4.4457111647214695 1987 3.9140286216301003 1988 4.20547061246542 1989 4.79729611491512 1990 4.54741504925103 1991 4.77333466430117 1992 4.24768251683067 1993 2.74060801469377 1994 3.11472840805896 1995 2.61344768528808 1996 2.36907292563377 1997 3.01764996200519 1998 3.0041748639188697 1999 2.64025926740376 2000 2.49891418426016 2001 2.4207451879196 2002 2.28729607547664 2003 2.08848713354877 2004 2.00765756131918 2005 2.00699360911993 2006 1.8451254600122697 2007 1.49361825981328 2008 1.39998436558161 2009 1.2780696123372202 2010 1.22697660697606 2011 1.2355686693177599 2012 1.17392522752233 2013 1.29223076714816 2014 1.3476637836228 2015 1.4507182437678199 2016 1.4277045414778902 2017 1.73375510218939 2018 1.79144423500295 2019 1.8355987142630699 2020 2.00950429821317 2021 1.86366582653499 2022 1.73054506592533