| 
	
	|  |  |  
| 
| 
| 
  
    | xi | yi | ti (of first case, months since 3/91) |  
    | 423478 | 197902 | 6 |  
    | 477114 | 131147 | 8 |  
    | 423832 | 231698 | 11 |  
    | 402202 | 207756 | 2 |  
    | 397984 | 91078 | 9 |  
    | 448630 | 157666 | 7 |  
    | 455837 | 125902 | 6 |  
    | 354868 | 87155 | 5 |  
    | 393554 | 119531 | 6 |  
    | 397602 | 239280 | 5 |  
    | 450938 | 206456 | 8 |  
    | 414544 | 104463 | 6 |  
    | 469471 | 184179 | 12 |  
    | 423630 | 172486 | 2 |  
    | 393292 | 173143 | 0 |  
    | 493198 | 172467 | 9 |  
    | 394906 | 272882 | 7 |  
    | 376887 | 100019 | 6 |  
    | 495240 | 136650 | 10 |  
    | 473821 | 155846 | 9 |  
    | 428612 | 144540 | 6 |  
    | 435576 | 114215 | 8 |  
    | ... | ... | ... |  
    | 765047 | 196213 | 39 |  |  |  |  |  |  |  |  |