Unfortunately, I don't know when the final B.I.S. figures will come out. The delays vary from year to year. Final figures for all the years from 2002 to 2009 came out with a delay of 15 months, which would mean that we should get the final figures for 2010 in March 2012. However, the figures for 2008 came out in December 2009, I may just get the answer this week.
Anyway, I thought it would be interesting to get some idea of what on earth LCH.Clearnet does. If you go to their website, you can find a list of their fees for doing transaction fees. They have different sets of fees for 9 types of transactions
Another interesting one are SwapClears - used by people doing trades in Credit Default Swaps I presume. Good news for them - "There are no transaction fees for SwapClear®. Members pay a fixed annual clearing fee to participate in the SwapClear service."
But my favorite is the RepoClear fee structure. Repos are repurchase and resale agreements whereby people can temporarilly transfer ownership of assets. David Malone's excellent Golem XIV blog has a nice description of this highly dubious system in his Liar's Lexicon. The LCH.Clearnet site gives an example of a €100 million trade lasting one year, for which they would charge just €1323.22.
Anyway, the point is that if ever someone wanted to impose a Financial Transaction Tax, it would be enough to force one company, namely LCH.Clearnet to play game, and it would cover up to 75% of transactions. What are we waiting for?