| 6,288 | 4,999 | 2,991 | 2,842 | 3,662 |
Depreciation & Amortization | 680 | 715 | 722 | 826 | 870 |
| 7,266 | 6,973 | 6,226 | 5,515 | 5,043 |
Gain (Loss) on Sale of Investments | 48 | 30 | 105 | 204 | -171 |
Change in Accounts Receivable | -115 | -859 | -1,341 | -877 | -258 |
| -137 | 111 | -63 | 344 | -101 |
Change in Unearned Revenue | 584 | 1,488 | 2,590 | 1,862 | 1,249 |
Change in Insurance Reserves / Liabilities | 3,300 | 2,680 | 2,843 | 2,050 | 2,388 |
Other Operating Activities | 291 | 404 | 484 | -141 | 812 |
| 10,606 | 9,074 | 7,711 | 6,465 | 7,274 |
Operating Cash Flow Growth | 16.88% | 17.68% | 19.27% | -11.12% | 11.58% |
| - | -382 | - | -4 | -38 |
| -7,215 | -6,546 | -6,209 | -3,329 | -4,863 |
Other Investing Activities | -389 | -352 | -545 | -364 | -298 |
| -7,652 | -7,264 | -6,821 | -3,728 | -5,196 |
| 1,233 | - | 738 | - | 739 |
| 1,233 | - | 738 | - | 739 |
| 214 | 321 | 141 | 267 | 293 |
Repurchases of Common Stock | -3,131 | -1,117 | -1,022 | -2,061 | -2,200 |
| -979 | -951 | -908 | -875 | -869 |
| -2,663 | -1,747 | -1,051 | -2,669 | -2,037 |
Foreign Exchange Rate Adjustments | 23 | -14 | 12 | -30 | -1 |
Miscellaneous Cash Flow Adjustments | -171 | - | - | - | - |
| 143 | 49 | -149 | 38 | 40 |
| 393 | 390 | 370 | 349 | 337 |
| 1,274 | 1,310 | 201 | 817 | 707 |
| 12,101 | 16,488 | 12,338 | 12,208 | 14,165 |
| 12,366 | 16,733 | 12,573 | 12,428 | 14,378 |
Change in Working Capital | -3,741 | -3,753 | -2,660 | -2,445 | -1,949 |