Should be pretty low right now compared to maybe one or two years ago. Many wait to buy a new console and don't pay for their old one right now. Sales of games on 360 were are also not very impressive the last months so that many seam to be in a transition phase right now where they reduced their gaming time a lot until they get a new console. To renew 3 or even 12 months accounts when you don't play atm would be just stupid.
I also think that many who play games like CoD or Fifa pay for 3 months and after that time they wait until the next game of that franchise releases . If he took a number from the last months it should be lower as it will be starting with Destiny and then for the next maybe 6 months. There was just no big reason to pay for online gaming on consoles the last months but now with Destny, Fifa and so on it's beginning again to make sense for many.
Sure, these 3 months subs bring less money but we can't expect that average Joe will pay for Xbox live or PS+ every single day in a year if he only wants to play games online for a few weeks or months which release between September and November.
PS+ did obviously grow a lot since nobody needed to pay for it on PS3 to play online but it makes sense to me that Xbox live subs did shrink the last year or even years with 2014 and 2013.
