Open Question: How much will I get for "pain and suffering"?

Recently, I was in a car accident. This other girl rammed into the back of me going about 45 mph in a residential while I was stopped at a stop sign. My car was totaled and a previous back injury was severely aggravated. Now I'll be going to the chiropractor 3 times a week for 1-2 months to get it back into alignment. Should I get money for pain and suffering? I'm not going to try and