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.