There are three main insurance sectors: property/casualty (P/C), mainly auto, home and commercial insurance; life/annuity, mainly life insurance and annuity products; and private health insurance, written by insurers whose main business is health insurance. Life/annuity and P/C insurers can also write health coverage. In 2020 total insurance industry net premiums written fell 3.1 percent. P/C net premiums written rose 2.1 percent while life/annuity net premiums written fell 7.9 percent. Net premiums written represent premiums after reinsurance transactions.