Where do the Paper Clips Go?

I just grabbed a new box of paper clips and realized that this is the fifth box I have opened since the first of the year. I use a lot of clips when working on a tax return. I use them to separate information and papers. But when I finish with a return, I replace the clips with staples. That leaves me with a stack of paper clips to go back into the dispenser. In an ideal world, I should get back all almost all the clips I put into a return. But this isn't happening. Yes, I do send some home with clients; holding the envelope to a return that has to be mailed (Oklahoma), or the payment voucher to the front where they can find it quickly. But that does not account for the massive losses especially taking into consideration the clips I get from clients with their information. May be we need a Paper Clip Taskforce to look into this. Are the being held with all the socks that don't comeback from the dryer? Or do I just need to stop procrastinating on a minor issue and start working on CPE?