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Table 2.
Fractions of NSs to BHs (fNS/BH), single NSs (
), single BHs (
), single radio pulsars (
), single recycled pulsars (
), double-neutron-star (DNS) systems with at least one NS formed in an ECSN (
), and NSs in binaries after the first SN (
) in the considered toy population models.
| Model | fNS/BH |  |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|
| Single | 4.3 | 86% | 47% | 91% | 18% | 32% | 44% |
| Default | 14.7 | 80% | 56% | 88% | 17% | 65% | 84% |
| CPS | 9.6 | 80% | 58% | 88% | 17% | 67% | 80% |
| F12 rap. | 3.2 | 79% | 36% | 87% | 17% | 69% | 62% |
| F12 del. | 1.9 | 75% | 31% | 84% | 17% | 75% | 44% |
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