| 2018年 9月30日 | 2019年 9月30日 | 2020年 9月30日 | 2021年 9月30日 | |
| Revenue | 11,507 | 12,111 | 12,164 | 12,127 |
| Costs of services, selling and administrative | - | - | - | 10,178 |
| Acquisition-related and integration costs | 37 | -77,417,000 | -77 | 7 |
| Net finance costs | -74 | -71 | -114 | -107 |
| Foreign exchange loss | -3 | -2 | 1 | 4 |
| Operating expenses | 10,017 | 10,434 | 10,648 | 10,289 |
| Earnings before income taxes | 1,490 | 1,677 | 1,516 | 1,838 |
| Income tax expense | 349 | 414 | 398 | 469 |
| Net earnings | 1,141 | 1,263 | 1,118 | 1,369 |
| Basic earnings (loss) per share | 4.02 | 4.63 | 4.27 | 5.5 |
| Diluted earnings (loss) per share | 3.95 | 4.55 | 4.2 | 5.41 |