| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| 2010 | 4 | 10 | 12 | 14 | 19 |
| 2009 | 2 | 8 | 10 | 12 | 17 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| 2010 | 11.4939950339759 | 12 | 12.5060049660241 |
| 2009 | 9.49399503397592 | 10 | 10.5060049660241 |
