| 1 y = 0.01 century |
| 2 y = 0.02 century |
| 3 y = 0.03 century |
| 4 y = 0.04 century |
| 5 y = 0.05 century |
| 6 y = 0.06 century |
| 7 y = 0.07 century |
| 8 y = 0.08 century |
| 9 y = 0.09 century |
| 10 y = 0.1 century |
| 15 y = 0.15 century |
| 50 y = 0.5 century |
| 100 y = 1 century |
| 500 y = 5 century |
| 1000 y = 10 century |
| 5000 y = 50 century |
| 10000 y = 100 century |