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| Ion | No. of levels |
|---|
| Br I | 265 |
| Br II | 132 |
| Br III | 53 |
| Br IV | 43 |
| Br V | 10 |
| Br VI | 12 |
| Br VII | 6 |
| Br VIII | 12 |
| Br IX | 5 |
| Br X | 2 |
| Br XI | 2 |
| Br XII | 2 |
| Br XIII | 2 |
| Br XIV | 2 |
| Br XV | 2 |
| Br XVI | 4 |
| Br XVII | 2 |
| Br XVIII | 2 |
| Br XIX | 7 |
| Br XX | 3 |
| Br XXI | 2 |
| Br XXII | 3 |
| Br XXIII | 2 |
| Br XXIV | 13 |
| Br XXV | 23 |
| Br XXVI | 19 |
| Br XXVII | 45 |
| Br XXVIII | 38 |
| Br XXIX | 2 |
| Br XXX | 2 |
| Br XXXI | 4 |
| Br XXXII | 5 |
| Br XXXIII | 4 |
| Br XXXIV | 92 |
| Br XXXV | 50 |
| Total for Br: | 872 |