| Value |
Category |
| 0 |
None |
| 1 |
Singleton |
| 2 |
Twin |
| 3 |
Triplet |
| 4 |
Quadruplet |
| 5 |
Quintuplets |
| 6 |
Sextuplets |
| 7 |
Septuplets |
| 8 |
Octuplets |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.