| 
          
            | Purchases summarize all trades executed during the indicated period including purchases associated with dollar rolls. 
 
 |  
            |  |  
          
            | Transactions ($ million) |  
            | 
                
                  | Maturity | Coupon | Settlement Month | FHLMC | FNMA | GNMA | GNMA2 |  
                  | 30 Year | 2.5 | January | 0 | 400 | 0 | 0 |  
                  | 3 | December | 1,300 | 2,600 | 0 | 0 |  
                  | 3 | January | 1,750 | 3,400 | 450 | 2,550 |  
                  | 3.5 | December | 300 | 600 | 0 | 0 |  
                  | 3.5 | January | 400 | 750 | 100 | 700 |  
                  |  |  |  |  |  |  |  |  
                  | 15 Year | 2 | December | 0 | 25 | 0 | 0 |  
                  | 2 | January | 0 | 25 | 0 | 0 |  
                  | 2.5 | December | 450 | 850 | 0 | 0 |  
                  | 2.5 | January | 600 | 1,150 | 0 | 0 |  
                  | 3 | December | 0 | 100 | 0 | 0 |  
                  | 3 | January | 100 | 100 | 0 | 0 |  
                  |  |  |  |  |  |  |  |  
                  | Total |  |  | 4,900 | 10,000 | 550 | 3,250 |  |  |