"Figure 3: Provisional impact of Blue Book 2018 improvements to annual trade contributions to real gross domestic product","" "UK, 1997 to 2016","" "","" "Notes","1. The imports contribution has been inverted as imports has a negative impact on GDP (net trade equals exports less imports)." "Unit","Percentage points" "","" "","Exports ","Imports","Net trade" "1998","-0.1","0.1","0.0" "1999","-0.1","0.0","-0.1" "2000","-0.3","-0.1","-0.4" "2001","0.0","0.1","0.1" "2002","0.2","0.0","0.2" "2003","0.1","-0.1","0.0" "2004","0.2","0.1","0.3" "2005","-0.1","-0.1","-0.2" "2006","-0.1","0.1","0.0" "2007","0.1","0.3","0.4" "2008","0.0","0.0","0.0" "2009","0.1","-0.4","-0.3" "2010","0.0","0.1","0.1" "2011","0.0","0.1","0.1" "2012","0.3","0.0","0.3" "2013","0.3","0.0","0.3" "2014","-0.1","0.2","0.1" "2015","-0.1","-0.1","-0.2" "2016","-0.3","0.5","0.2"