I mean I could trot out the stats on how many times we've voted for against and abstained (roughly 95%,2% and 3%) but is there much point?
The EU is far from perfect, but we are so much better off in than out, as a member of the EU we are one of 3 (with France and Germany) who lead the EU and are major players internationally. Yes we are net contributors when you look only at the money in and money out, and it is nowhere near the ludicrous figures suggested by the leave campaign, but there are so many intangibles to consider on top, the number one being access to the SM and CU and the opportunities that affords us. Every single economic modelling of leave scenarios the govt, the tory govt, has produced shows a significant drop in gdp far greater than the net contribution we make. If/when we leave we will cease to be an international leader and player, and find ourselves as a little island of the coast of Europe looking wistfully back on the days of empire and wondering how we managed to **** it up so royally.