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Table 10
Number (and percentage) of sources associated with H ii regions and water masers for Type 1, Type 2, and Type 3.
| Type 1 | Type 2 | Type 3 | ||||
|
|
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| H ii region | 15 | 8% | 99 | 75% | 55 | 28% |
| H2O maser | 23 | 13% | 34 | 26% | 6 | 3% |
| all | 183 | 100% | 132 | 100% | 197 | 100% |
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