Year	% of total exports
1995	8.355955223625749
1996	8.503411538491969
1997	9.643197394014852
1998	11.116741173590082
1999	9.46683816924167
2000	7.3131867253681015
2001	8.27443282945833
2002	8.94573410816292
2003	10.035170558200221
2004	9.118547898825033
2005	7.808177252273614
2006	7.6952533363890145
2007	7.220949967884611
2008	5.968423236977786
2009	7.278837100361661
2010	6.337068527347676
2011	5.759157985950601
2012	6.340361870675784
2013	6.353956543808379
2014	6.951913765798284
2015	8.219000281150825
2016	8.980929763526257
2017	8.955847266356258
2018	8.503837490093927
2019	8.734682578119271
