| Labels | Cluster members | Mean of each cluster |
| A | S2, S7, S11, S12, S13, S18, S20, S22, S23, S24, S29, S31, S37, S38, S45 | 2.00 | B | S1, S3, S5, S9, S10, S14, S15, S16, S21, S30, S32, S36, S41 | 1.96 | C | S4, S6, S8, S17, S19, S25, S26, S27, S28, S33, S34, S35, S39, S40, S42, S43, S44 | 0.78 |
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