Year % of total imports 1995 19.929280975749002 1996 21.34189338762499 1997 20.844553843830006 1998 21.28885409581317 1999 21.66754284766191 2000 25.078271912474374 2001 25.859181390334996 2002 24.449576221038082 2003 22.733699582214474 2004 20.841790306627097 2005 21.023932683025237 2006 22.597992059106367 2007 21.818960862120544 2008 21.54377269978831 2009 21.068297765300382 2010 20.09949614435317 2011 21.33843179196044 2012 22.21724674653272 2013 22.685569031196735 2014 23.997743686990944 2015 25.71022621135833 2016 25.008320205675556 2017 23.77057373482189 2018 20.992662623810986 2019 26.55157543787339 2020 15.212919675351595