| 
                
            
            	| 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 | 3.5 | July | 836 | 1,077 | 0 | 1,147 |  
                            |  | 3.5 | Aug | 341 | 471 | 0 | 0 |  
                            |  | 4 | July | 664 | 977 | 0 | 1,036 |  
                            |  | 4 | Aug | 235 | 313 | 0 | 0 |  
                            |  |  |  |  |  |  |  |  
                            | 15 Year | 2.5 | Aug | 0 | 157 | 0 | 0 |  
                            |  | 3 | July | 208 | 257 | 0 | 0 |  
                            |  | 3 | Aug | 157 | 156 | 0 | 0 |  
                            |  | 3.5 | July | 52 | 154 | 0 | 0 |  
                            |  |  |  |  |  |  |  |   
                            | Total |  |  | 2,493 | 3,562 | 0 | 2,183 |  
                          	| *Does not include trades associated with small value exercises. |  |  |