| Count | Prefix |
|---|---|
| 1,401 | z- |
| 25 | z. |
| 138 | z0 |
| 222 | z1 |
| 153 | z2 |
| 203 | z3 |
| 122 | z4 |
| 62 | z5 |
| 60 | z6 |
| 74 | z7 |
| 102 | z8 |
| 98 | z9 |
| 25,042 | za |
| 1,765 | zb |
| 1,360 | zc |
| 2,018 | zd |
| 31,523 | ze |
| 904 | zf |
| 1,580 | zg |
| 7,221 | zh |
| 18,389 | zi |
| 2,598 | zj |
| 872 | zk |
| 1,551 | zl |
| 1,612 | zm |
| 1,283 | zn |
| 19,171 | zo |
| 1,273 | zp |
| 453 | zq |
| 1,038 | zr |
| 2,919 | zs |
| 1,501 | zt |
| 8,658 | zu |
| 1,032 | zv |
| 2,689 | zw |
| 960 | zx |
| 3,179 | zy |
| 2,382 | zz |