| Model | Weight | AIC |
|---|---|---|
| Log‐probit | 0.411 | 189.73 |
| Log‐logistic | 0.395 | 189.81 |
| Gamma | 0.080 | 192.99 |
| Weibull | 0.061 | 193.54 |
| Multistage 2° | 0.044 | 194.20 |
| Logistic | 0.005 | 198.47 |
| Probit | 0.004 | 199.07 |
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