| Billions of dollars, annual rate | ||
| Period | Alt-A | Subprime |
|---|---|---|
| 2002 | 4.4552 | 10.2234 |
| 2003 | 6.1793 | 16.2465 |
| 2004 | 13.2155 | 30.2125 |
| 2005 | 27.6936 | 38.7530 |
| 2006:H1 | 30.0486 | 40.1366 |
| 2006:H2 | 30.8974 | 34.6300 |
| 2007:Q1 | 32.2910 | 29.5180 |
| 2007:Q2 | 33.6386 | 24.8979 |
| 2007:Q3 | 12.7353 | 8.8928 |
| 2007:Q4 | 4.5384 | 3.8736 |
| January 2008 | 5.4000 | 2.0400 |
Note: Mortgages in alt-A pools are a mix of prime, near-prime, and subprime mortgages; for further details on alt-A pools, refer to text.
Source: Inside MBS & ABS.