Annual % of GDP
1975 20.58915045009495
1976 19.138175338353037
1977 19.728142396961264
1978 19.48444320827613
1979 18.330850090308335
1980 17.628920504358696
1981 18.9677152330605
1982 15.88259896302662
1983 14.217290137211599
1984 17.402664066568395
1985 20.113449887029063
1986 17.87032443931227
1987 22.636579816494564
1988 25.624126920403516
1989 35.80697092717391
1990 18.95585403120397
1991 18.7329794645523
1992 20.19838357785243
1993 20.25436121529043
1994 19.115040360613268
1995 14.439362707423125
1996 14.041321016100468
1997 13.711158574772009
1998 13.890452939410197
1999 12.736901451250182
2000 13.991703128315214
2001 13.594597375319994
2002 15.40587226964361
2003 16.417941808670435
2004 18.855018861684663
2005 18.114095533966392
2006 18.40981632275202
2007 19.34636031516673
2008 19.226846663099963
2009 16.38036502504784
2010 17.802399356614114
2011 18.601266431145365
2012 17.678108528340992
2013 18.151690830816367
2014 16.134404993561613
2015 14.529347180165718
2016 13.421753006846071
2017 13.57776968991443
2018 12.70741995334427
2019 12.250795832271104
2020 14.793329184373254
2021 17.156479763583782
2022 15.826797880425461
2023 15.58974482133803