The basic items included are wages and salaries, but we also count Social Security benefits and dividends and interest income. We also include earnings from the self-employed, health care benefits and contributions to retirement accounts.

Hurricane Katrina was the largest disaster in U.S. history. It also occurred in a much-smaller state than Florida is.

That is neither particularly bad nor is it particularly good.

Why was it so high last year? Because of the farm sector. That is a very volatile sector.