| 1880 | X | 1 | = | 1880 |
| 1880 | X | 2 | = | 3760 |
| 1880 | X | 3 | = | 5640 |
| 1880 | X | 4 | = | 7520 |
| 1880 | X | 5 | = | 9400 |
| 1880 | X | 6 | = | 11280 |
| 1880 | X | 7 | = | 13160 |
| 1880 | X | 8 | = | 15040 |
| 1880 | X | 9 | = | 16920 |
| 1880 | X | 10 | = | 18800 |
| 1880 | X | 11 | = | 20680 |
| 1880 | X | 12 | = | 22560 |
| 1880 | X | 13 | = | 24440 |
| 1880 | X | 14 | = | 26320 |
| 1880 | X | 15 | = | 28200 |
| 1880 | X | 16 | = | 30080 |
| 1880 | X | 17 | = | 31960 |
| 1880 | X | 18 | = | 33840 |
| 1880 | X | 19 | = | 35720 |
| 1880 | X | 20 | = | 37600 |