| Value | Category | Cases | |
|---|---|---|---|
| 4 | 8 | 
                                    
                                    0.5%
                                 | |
| 5 | 159 | 
                                    
                                    10.8%
                                 | |
| 6 | 162 | 
                                    
                                    11%
                                 | |
| 7 | 127 | 
                                    
                                    8.6%
                                 | |
| 8 | 141 | 
                                    
                                    9.5%
                                 | |
| 9 | 111 | 
                                    
                                    7.5%
                                 | |
| 10 | 103 | 
                                    
                                    7%
                                 | |
| 11 | 91 | 
                                    
                                    6.2%
                                 | |
| 12 | 80 | 
                                    
                                    5.4%
                                 | |
| 13 | 69 | 
                                    
                                    4.7%
                                 | |
| 14 | 92 | 
                                    
                                    6.2%
                                 | |
| 15 | 98 | 
                                    
                                    6.6%
                                 | |
| 16 | 87 | 
                                    
                                    5.9%
                                 | |
| 17 | 98 | 
                                    
                                    6.6%
                                 | |
| 18 | 5 | 
                                    
                                    0.3%
                                 | |
| 998 | DK/Missing | 48 | 
                                    
                                    3.2%
                                 |