only very gently been rising because of increased longist. and it's simply because of the drop in the birth rates and cost of our program, cost of the medicare program and cost of ots of things. >> we ought to be building and expand our range and i think will be having a study coming out. pressure, but we are hoping to get there. >> one of the charts we want to show you is a number of us have looked at and concerned about. we know what we pay attention for actual status as demanded by the congress, what is the status of the trust fund under current law. there is another way of hooking at the numbers and we what happens to make it clear for those who pay attention to the budget scoring and the big increases and the debt held by the public are based on a specific scoring convention, which is for the trust funds, if the reserves deplete, it getting they will keep paid. by having money transferred from the germ fund which will be borrowed from the public. and the problem with that, that require change in law. anybody who shows that kind of projec