| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 5 | 
                                    
                                    2.1%
                                 | 
| 2 | February | 1 | 
                                    
                                    0.4%
                                 | 
| 3 | March | 5 | 
                                    
                                    2.1%
                                 | 
| 4 | April | 11 | 
                                    
                                    4.6%
                                 | 
| 5 | May | 24 | 
                                    
                                    10.1%
                                 | 
| 6 | June | 96 | 
                                    
                                    40.5%
                                 | 
| 7 | July | 56 | 
                                    
                                    23.6%
                                 | 
| 8 | August | 26 | 
                                    
                                    11%
                                 | 
| 9 | September | 9 | 
                                    
                                    3.8%
                                 | 
| 10 | October | 3 | 
                                    
                                    1.3%
                                 | 
| 11 | November | 0 | 
                                    
                                    0%
                                 | 
| 12 | December | 1 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 1996 |