| Value | Category | Cases | |
|---|---|---|---|
| 1 | very large | 535 | 
                                    
                                    13.6%
                                 | 
| 2 | larger than average | 577 | 
                                    
                                    14.7%
                                 | 
| 3 | average | 2017 | 
                                    
                                    51.4%
                                 | 
| 4 | smaller than average | 386 | 
                                    
                                    9.8%
                                 | 
| 5 | very small | 290 | 
                                    
                                    7.4%
                                 | 
| 8 | dk | 122 | 
                                    
                                    3.1%
                                 | 
| Sysmiss | 11019 |