Annual % of GDP
1976 21.365501796168754
1977 20.932731568920193
1978 20.335502578913328
1979 20.19592559794328
1980 20.567882339844658
1981 19.74996496723046
1982 17.65884963897878
1983 17.170582898491627
1984 18.853861267109615
1985 20.866603400225237
1986 17.957416588857615
1987 21.328301729558994
1988 22.229085711356106
1989 25.062005395855397
1990 19.20025826667666
1991 18.2870623004901
1992 18.008001922950136
1993 18.57813108010189
1994 18.561558736330365
1995 17.481141352982814
1996 17.817016317539938
1997 17.749615035277515
1998 17.567519542847126
1999 17.07045034728353
2000 17.454101433216923
2001 16.813639899708125
2002 18.39716599042262
2003 18.713310423935447
2004 19.766087666328637
2005 19.570872251836878
2006 21.467572618622466
2007 21.738434886540286
2008 21.068935980660033
2009 18.74560617507483
2010 19.468532554094764
2011 19.691879440762396
2012 18.878963034507777
2013 17.969043074012895
2014 16.740466345288585
2015 16.711954458213192
2016 16.5204738264376
2017 16.66194976571135
2018 16.26556601501351
2019 16.290560243411075
2020 17.43536102775182
2021 18.738703752390876
2022 17.549570850544292
2023 16.919326564643477