Year	% of merchandise exports
1970	1.8169544028798212
1971	3.531268322073127
1972	3.627289018436851
1973	7.67166422836724
1974	8.244948930333925
1975	11.45003216316521
1976	18.43750002404113
1977	22.239109027816987
1978	25.623279674661575
1988	55.56164681791689
1989	51.96278735359464
1990	65.815015132027
1991	66.2709000908103
1992	66.2292770034981
1993	70.01164224640921
1994	70.30444835034513
1995	70.15471054501933
1996	67.93219104334202
1997	71.03493528829306
1998	72.58006031480613
1999	74.69754445227058
2000	80.76768166327085
2001	74.17464619721406
2002	72.58782707158564
2003	72.58782701056258
2004	68.07453332951937
2005	57.252103716241244
2006	64.02672924668452
2007	61.833769517475304
2008	57.260085419641186
2009	64.1669970906156
2010	60.144176793825785
2011	64.45734452337707
2012	61.72460056590803
2013	58.66755738069441
2014	62.5033238423218
2015	66.02872945738416
2016	61.51632478342434
2017	56.647215303740786
2018	60.598905806966286
2019	60.408202871556846
2020	56.458095575339925
2021	55.44203293900165
2022	54.42053299897679
2023	47.097371589033685