Whether shoppers in the nation's capital choose paper or plastic, they have to pay a 5-cent bag tax.
Washington officials say the fee has brought in about two million bucks since it went into effect last January.
While two mil may sound like a lot, it's not as much as officials had anticipated.
The bag tax was expected to bring in three and a-half mil the first year.
City officials say they're surprised by how many consumers are bringing reusable bags when they go shopping.
