Annual % of GNI
1971 52.768623833800696
1972 58.84346931004646
1973 53.74068438999406
1974 76.65969681031429
1975 60.89035763288428
1976 59.25581188014981
1977 48.10624767692046
1978 35.43326967195636
1979 41.87975595710655
1980 53.1403247418953
1981 48.27050318324113
1982 34.4641133931341
1983 25.40939607357645
1984 21.427704809812198
1985 15.42981060446627
1986 12.140125177016762
1987 11.979265692545429
1988 14.994178753768281
1989 12.50204294908558
1990 16.9998363112637
1991 11.165850809581261
1992 18.81487485214452
1993 16.01700240472468
1994 15.757759478697704
1995 19.841804992457195
1996 23.31797391903897
1997 24.073610649585447
1998 17.438067962965604
1999 25.650195743054258
2000 29.964672642983178
2001 26.858204273216316
2002 28.504730137856168
2003 34.07583521672
2004 41.582851117454915
2005 48.270972636110535
2006 48.57950639296348
2007 48.92168521603605
2008 52.5046311689758
2009 36.939214946216275
2010 43.79508342866237
2011 50.71611811323384
2012 49.13856750921838
2013 44.61322853176302
2014 38.74019291654354
2015 25.54550158471968
2016 26.647130903891984
2017 29.927989136356477
2018 34.34760759665814
2019 32.56825190114128
2020 23.847982866491932
2021 29.837503148175003
2022 39.75082168013527
2023 32.29014615312409