covering a five year period. A statistical test has been applied to the average revision to find out if it is statistically significantly different from zero. An asterisk (*) shows that the test is significant. An article explaining the past revisions performance for UK Trade statistics and what is being done to improve the first published estimates was published on 9 May 2005 on the National Statistics website . Revisions analysis UK Trade, June 2012 million Revisions between first publication and estimates twelve months later Value in latest period Average over the last 5 years (mean revision) Average over the last 5 years without regard to sign (average absolute revision) Total trade exports (IKBH) 39227 736 991 Total trade imports (IKBI) 43535 288 646 Total trade balance (IKBJ) -4308 455 599 Download table The table covers estimates of UK trade first published from August 2006 (for June 2006) to July 2011 (for May 2011). Spreadsheets giving these estimates and the calculations behind the averages in the table is available on the National Statistics website An article analysing past revisions to quarterly balance of payments current account data was published in the May 2007 edition of Economic & Labour Market Review. It is available on the National Statistics website More information about revisions material in this Statistical Bulletin can be found on the National Statistics website Coherence - EU enlargement and country coverage: Two more countries joined the EU from 1 January 2007. These countries were Bulgaria and Romania. In addition,