For 2009:
1. Co-op Maintenance (includes prop taxes, co-op's mortgage interest, garage parking, and other common charges).
2. Health care (mostly non-dental health insurance but also includes all dental services) is a very close second.
3. Day-to-Day cash expenses which are mostly food but also includes non-food items and my dancing fees.
4. Income taxes.
5. Auto+Home Insurance is a close 5th.
For 2010, however, my health insurance is rising at 20% (yuck!) while my co-op maintenance is not increasing (for the first time in 11 years!). This will make Health Care #1 for 2010.