In 2000, the NIPA federal surplus was 2.2 percent of GDP while the unified budget surplus was 2.4 percent.
In 2001, the NIPA federal surplus was 3.1 percent of GDP.
mnli hypothesis: In 2001, the NIPA federal surplus was 3.1 percent of GDP. premise: In 2000, the NIPA federal surplus was 2.2 percent of GDP while the unified budget surplus was 2.4 percent.