Year	% of merchandise exports
1966	97.90832512067237
1967	96.65708372380269
1970	99.06770237338304
1971	98.0449310787084
1972	98.5303575046949
1973	98.29866220489887
1974	97.62610571059248
1975	97.54225509664603
1976	98.30231847951737
1977	97.26147593492685
1978	95.75719046961132
1979	97.6341815139713
1993	88.17913819860284
1995	86.53811777797176
1996	78.35399005162488
1997	77.40066512535105
1998	69.89637706099846
1999	62.86730961458981
2000	64.4408880435118
2001	60.42152558647995
2002	59.32396905033692
2003	60.02622785860034
2004	46.55157770268055
2005	67.43768066727618
2006	80.83756156876075
2007	78.11567805778597
2008	79.78571457942742
2009	78.5949410783729
2010	82.32834191857785
2011	78.59285393038587
2012	69.67726408317418
2013	70.59503122248024
2014	73.01130248247844
2015	74.79173381403486
2016	73.23073798520173
2017	79.53035507132864
2018	77.46060846969888
2019	74.58257510545
2020	78.8010057390337
2021	79.25205026890734
2022	75.60248815677348
2023	71.3565858556083