For the nation as a whole, saving has rebounded somewhat from its low point in the early 1990s but remains relatively low by U.S. historical standards.
Saving was at a low point in the early 1990's.
mnli hypothesis: Saving was at a low point in the early 1990's. premise: For the nation as a whole, saving has rebounded somewhat from its low point in the early 1990s but remains relatively low by U.S. historical standards.