As others have mentioned, it doesn't look like something you should fret over. Instead of dreading the possibility of losing your only online source of income, work on building another one -- ideally one that is not reliant on Adsense.
Check out AdsenseDefender.com It is a tool that specifically monitors for click bombing attacks and can save you from worrying about losing your Adsense accounts.
She is worried about losing her account so she's hardly likely to risk it by answering such a question. To mvch- Click bombing is something you don't really need to worry about nowadays. It still isn't a perfect situation but Google has pretty sophisticated tools. Things have improved hugely.
read my latest post on adsense click bombing at blog of the world you will find final solution for click bombing
Have you also tried Media.net? For me, the CPC with Media.net is pretty much the same as with Adsense. I'm using them both. However, do not say that in the case you loose your Adsense account you are doomed. You are not. For one, you could sell ad space on buysellads.com. If you have as many impressions as you said you have, you could charge a lot. Also, there's a lot of other things one can do to make money on the Internet. But yeah, don't worry. With your impressions, you are as safe as one can be.