Between 2004 and 2007 there were 12 new members admitted to the EU.
They were; Bulgaria(21),Cyprus(26),Czech Republic(16),Estonia(25),Hungary(18),Latvia(24),Lithuania(23),Malta(27),Poland(8th), Romania(17), Slovenia(22),Slovakia(19).
The numbers in brackets represent the rank of size of GDP. Many of these countries have enjoyed massive growth in their economies whilst the larger economies in EU have stagnated.
During the period of 2004-2007 the pound was trading between 74 baht and 68 baht.
Look at what has happened since.
UK better off out?