Year	% of merchandise exports
1970	49.7852014617321
1971	60.775472465012335
1972	63.22048363617807
1973	59.80720817652349
1974	53.755367277240104
1975	44.81491728591321
1976	49.74910028314014
1977	47.049266605622066
1978	42.86118813262882
1979	38.09301101889926
1980	33.55200531252206
1981	32.944861487446104
1982	37.30496259311288
1983	32.93307597690354
1984	34.913980146678526
1985	32.117781100085104
1986	36.694086429160876
1987	32.161691194182424
1989	37.66671954028335
1990	42.03980674663666
1991	40.79596694461653
1992	37.847050089773795
1993	38.29177602336094
1994	39.21778485447125
1995	45.741966419432536
1996	43.01140336191213
1997	36.353782264088245
1998	38.64104256282094
1999	38.71465820902679
2000	33.30621205228033
2001	33.36007695481393
2002	35.430710353645026
2003	41.4585384490123
2004	46.154824425853
2005	45.13809122030738
2006	39.64066997429499
2007	39.78742319588001
2008	37.78817395034586
2009	37.10723779534281
2010	34.44232306341517
2011	37.11654194161459
2012	33.692123052335546
2013	36.13153638729427
2014	34.27314595552088
2015	31.384822636403637
2016	32.2409199400014
2017	27.73825798985678
2018	23.827131450720856
2019	31.242561737072506
2020	33.38015012605141
2021	30.302167608804297
2022	29.23510423329005
2023	21.25833181218762