Year	% of merchandise exports
1978	0.030986474984480893
1979	0.024904652164451403
1983	42.45171039374371
1991	78.09277651185356
1992	67.73397818973133
1993	54.88638324071303
1999	4.010404268089863
2000	3.1712317621768786
2001	3.7098352995886894
2002	2.0589723926290047
2003	1.7061099769207482
2004	1.0766838829305818
2005	0.9687479217246506
2006	1.3779763853555116
2007	1.2186159492591215
2008	0.91452342479419
2009	0.862793085303155
2010	1.0236467613313947
2011	1.1333100704311216
2012	1.618644345874265
2013	1.9893213940833099
2014	3.2721495613042864
2015	4.523681316482254
2016	4.888548543956219
2017	5.354542099235131
2018	6.005050657693885
2019	3.7727573399603505
2020	3.4108123345681265
2021	4.792809022850308
2022	4.529701033955388