The year ending today was the first since 1997 without a new book in the series, building pent-up demand.
"More of the pent-up demand was spent than some people realized."
So now despite the financial market, there remains a pent-up demand.
However, the force of pent-up demand varies from one area to another.
The pent-up demand for domestic spending was clear last week.
We're going to have to deal with all these new programs there's such a pent-up demand for.
There is a huge pent-up demand for new cars, he said.
The pent-up demand appeared to be particularly high this year.
As a result, budget officials say, there is huge pent-up demand for such spending.
"There is a lot of pent-up demand because people have not had a choice before," he added.