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| Ion | No. of levels |
|---|
| W I | 509 |
| W II | 264 |
| W III | 236 |
| W IV | 106 |
| W V | 60 |
| W VI | 15 |
| W VII | 113 |
| W VIII | 103 |
| W IX | 3 |
| W X | 2 |
| W XI | 2 |
| W XII | 3 |
| W XIII | 2 |
| W XIV | 9 |
| W XV | 2 |
| W XVI | 2 |
| W XVII | 3 |
| W XVIII | 3 |
| W XIX | 3 |
| W XX | 3 |
| W XXI | 3 |
| W XXII | 3 |
| W XXIII | 3 |
| W XXIV | 3 |
| W XXV | 3 |
| W XXVI | 3 |
| W XXVII | 4 |
| W XXVIII | 9 |
| W XXIX | 8 |
| W XXX | 9 |
| W XXXI | 10 |
| W XXXII | 4 |
| W XXXIII | 38 |
| W XXXIV | 6 |
| W XXXV | 35 |
| W XXXVI | 20 |
| W XXXVII | 12 |
| W XXXVIII | 13 |
| W XXXIX | 13 |
| W XL | 16 |
| W XLI | 22 |
| W XLII | 18 |
| W XLIII | 25 |
| W XLIV | 27 |
| W XLV | 50 |
| W XLVI | 77 |
| W XLVII | 45 |
| W XLVIII | 61 |
| W XLIX | 18 |
| W L | 13 |
| W LI | 16 |
| W LII | 16 |
| W LIII | 20 |
| W LIV | 17 |
| W LV | 10 |
| W LVI | 7 |
| W LVII | 14 |
| W LVIII | 22 |
| W LIX | 45 |
| W LX | 26 |
| W LXI | 18 |
| W LXII | 13 |
| W LXIII | 10 |
| W LXIV | 18 |
| W LXV | 11 |
| W LXVI | 4 |
| W LXVII | 5 |
| W LXVIII | 5 |
| W LXIX | 4 |
| W LXX | 7 |
| W LXXI | 3 |
| W LXXII | 20 |
| W LXXIII | 39 |
| W LXXIV | 10 |
| Total for W: | 2374 |