| 4,210 | 3,782 | 3,315 | 3,390 | 3,257 |
Depreciation & Amortization | 924 | 886 | 863 | 884 | 890 |
| 196 | 183 | 181 | 165 | 126 |
Other Operating Activities | -402 | 111 | -493 | -540 | -638 |
Change in Accounts Receivable | 410 | -245 | 951 | -210 | -272 |
| 450 | -1,195 | -2,219 | -980 | 405 |
Change in Accounts Payable | -664 | 247 | -303 | 224 | 194 |
Change in Unearned Revenue | -4 | 343 | 2,415 | 2,082 | 354 |
| - | - | - | -436 | -45 |
| 5,110 | 4,106 | 4,706 | 4,599 | 4,251 |
Operating Cash Flow Growth | 24.45% | -12.75% | 2.33% | 8.19% | 11.90% |
| -1,161 | -916 | -904 | -1,114 | -887 |
Other Investing Activities | -123 | -37 | -37 | -375 | 5 |
| -1,284 | -953 | -941 | -1,489 | -882 |
| - | - | - | - | 1,997 |
| 747 | - | - | - | 1,497 |
| 747 | - | - | - | 3,494 |
| - | - | - | - | -1,997 |
| -1,500 | -500 | -1,250 | -1,000 | -3,000 |
| -1,500 | -500 | -1,250 | -1,000 | -4,997 |
| -753 | -500 | -1,250 | -1,000 | -1,503 |
Repurchase of Common Stock | -637 | -1,501 | -434 | -1,229 | -1,828 |
| -1,593 | -1,529 | -1,428 | -1,369 | -1,315 |
Other Financing Activities | -207 | 161 | 18 | 127 | 56 |
| -3,190 | -3,369 | -3,094 | -3,471 | -4,590 |
| 636 | -216 | 671 | -361 | -1,221 |
| 3,949 | 3,190 | 3,802 | 3,485 | 3,364 |
| 23.79% | -16.10% | 9.10% | 3.60% | 18.79% |
| 7.51% | 6.69% | 8.99% | 8.84% | 8.74% |
| 14.50 | 11.50 | 13.79 | 12.53 | 11.93 |
| 376 | 385 | 378 | 383 | 433 |
| 568 | 560 | 1,100 | 1,245 | 740 |
| 3,357 | 2,304 | 2,127 | 2,293 | 2,938 |
| 3,609 | 2,550 | 2,376 | 2,538 | 3,207 |
Change in Working Capital | 192 | -850 | 844 | 680 | 636 |