Here are the quarterly changes in economic activity over the past four years as measured by the gross domestic product. GDP is the total output of goods and services produced in the United States. The figures are seasonally adjusted annual rates.
| Quarter 1 | Quarter 2 | Quarter 3 | Quarter 4 | |
| 2011 | 0.4 percent | 1.3 percent | 1.8 percent | 2.8 percent |
| 2010 | 3.9 percent | 3.8 percent | 2.5 percent | 2.3 percent |
| 2009 | -6.7 percent | -0.7 percent | 1.7 percent | 3.8 percent |
| 2008 | -1.8 percent | 1.3 percent | -3.7 percent | -8.9 percent |
Source: Bureau of Economic Analysis
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