Annual % of GDP
1975 21.821057201400425
1976 22.422457454691262
1977 23.005429440842544
1978 23.8781040108686
1979 23.856363641155948
1980 22.608962276079705
1981 22.530369632365332
1982 21.576960800021844
1983 20.939706866172727
1984 22.40121030100844
1985 21.63049744937061
1986 21.13736326850441
1987 21.537458313759522
1988 22.533262573665525
1989 22.208200359588993
1990 21.546547927946015
1991 20.966220733658155
1992 19.91781331977139
1993 19.566652337836157
1994 20.414156448528498
1995 21.16110211623937
1996 22.768167388063585
1997 23.54262054511788
1998 23.897652728733505
1999 23.330342248020067
2000 23.509410075864462
2001 22.69054266489747
2002 21.90118780070447
2003 21.531550556178157
2004 22.135067651231655
2005 22.357441481917476
2006 23.14196489135942
2007 22.64331389787792
2008 21.001642522116768
2009 19.247765418931326
2010 20.38306481163652
2011 20.974729059216727
2012 21.52870580692696
2013 21.602415310540263
2014 22.303309391362614
2015 22.669594196803285
2016 22.264743011625725
2017 22.874607941121617
2018 22.99051659008282
2019 23.2566759533184
2020 22.450868236664377
2021 23.551035108444584
2022 23.154625740280434