
| 390 | 449.75 | 4th quarter, 1978. | 
| 
 | 
 | |
| 
 | 111.40 | 
 | 
| 
 | 
 | 
 | 
| 530 | 460.25 | 1st quarter, 1979. | 
| 
 | 
 | |
| 
 | 98.86 | 
 | 
| 
 | 
 | 
 | 
| 560 | 476.38 | 2nd quarter, 1979. | 
| 
 | 
 | |
| 
 | 81.87 | 
 | 
| 
 | 
 | 
 | 
| 513 | 490.00 | 3rd quarter, 1979. | 
| 
 | 
 | |
| 
 | 107.94 | 
 | 
| 
 | 
 | 
 | 
| 434 | 503.75 | 4th quarter, 1979. | 
| 
 | 
 | |
| 
 | 111.17 | 
 | 
| 
 | 
 | 
 | 
| 562 | 513.25 | 1st quarter, 1979. | 
| 
 | 
 | |
| 
 | 99.95 | 
 | 
| 
 | 
 | 
 | 
| 593 | 521.38 | 2nd quarter, 1980. | 
| 
 | 
 | |
| 
 | 83.24 | 
 | 
| 
 | 
 | 
 | 
Now average each quarter's seasonal variation for the two years?
| Keystrokes | Display | 
 | 
| CLEAR | 0.00 | 
 | 
| 
 | 
 | |
| 98.86 | 1.00 | 
 | 
| 
 | 
 | |
| 99.95 | 2.00 | 
 | 
| 
 | 
 | |
| 
 | 99.41 | 1st quarter average seasonal | 
| 
 | variation, %. | |
| 
 | 
 | |
| CLEAR | 0.00 | 
 | 
| 
 | 
 | |
| 81.87 | 1.00 | 
 | 
| 
 | 
 | |
| 83.24 | 2.00 | 
 | 
| 
 | 
 | |
| 
 | 82.56 | 2nd quarter average seasonal | 
| 
 | variation, %. | |
| 
 | 
 | |
| CLEAR | 0.00 | 
 | 
| 
 | 
 | |
| 104.37 | 1.00 | 
 | 
| 
 | 
 | |
| 107.94 | 2.00 | 
 | 
| 
 | 
 | |
| 
 | 106.16 | 3rd quarter average seasonal | 
| 
 | variation, %. | |
| 
 | 
 | 
79
