| Value | Category | Cases | |
|---|---|---|---|
| 0 | not had intercourse | 2804 | 
                                    
                                    34%
                                 | 
| 12 | 2 | 
                                    
                                    0%
                                 | |
| 13 | 3 | 
                                    
                                    0%
                                 | |
| 14 | 3 | 
                                    
                                    0%
                                 | |
| 15 | 15 | 
                                    
                                    0.2%
                                 | |
| 16 | 57 | 
                                    
                                    0.7%
                                 | |
| 17 | 139 | 
                                    
                                    1.7%
                                 | |
| 18 | 316 | 
                                    
                                    3.8%
                                 | |
| 19 | 320 | 
                                    
                                    3.9%
                                 | |
| 20 | 430 | 
                                    
                                    5.2%
                                 | |
| 21 | 329 | 
                                    
                                    4%
                                 | |
| 22 | 294 | 
                                    
                                    3.6%
                                 | |
| 23 | 269 | 
                                    
                                    3.3%
                                 | |
| 24 | 192 | 
                                    
                                    2.3%
                                 | |
| 25 | 245 | 
                                    
                                    3%
                                 | |
| 26 | 116 | 
                                    
                                    1.4%
                                 | |
| 27 | 93 | 
                                    
                                    1.1%
                                 | |
| 28 | 50 | 
                                    
                                    0.6%
                                 | |
| 29 | 40 | 
                                    
                                    0.5%
                                 | |
| 30 | 39 | 
                                    
                                    0.5%
                                 | |
| 31 | 16 | 
                                    
                                    0.2%
                                 | |
| 32 | 6 | 
                                    
                                    0.1%
                                 | |
| 33 | 11 | 
                                    
                                    0.1%
                                 | |
| 34 | 1 | 
                                    
                                    0%
                                 | |
| 35 | 4 | 
                                    
                                    0%
                                 | |
| 36 | 6 | 
                                    
                                    0.1%
                                 | |
| 37 | 1 | 
                                    
                                    0%
                                 | |
| 38 | 2 | 
                                    
                                    0%
                                 | |
| 39 | 2 | 
                                    
                                    0%
                                 | |
| 40 | 1 | 
                                    
                                    0%
                                 | |
| 41 | 1 | 
                                    
                                    0%
                                 | |
| 96 | at first union | 2427 | 
                                    
                                    29.5%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | don't know | 0 | 
                                    
                                    0%
                                 | 
| 99 | 5 | 
                                    
                                    0.1%
                                 |