Enquiries and complaints received
| Year | Enquiries | Complaints |
| 2012-13 | 3,567 | 6,391 |
| 2013-14 | 6,674 | 6,108 |
| 2014-15 | 9,600 | 6,737 |
| 2015-16 | 10,182 | 5,802 |
| 2016-17 | 9,242 | 5,870 |
Cases received and closed
| Year | Received | Closed |
| 2013-14 | 12,782 | 12,149 |
| 2014-15 | 16,337 | 16,088 |
| 2015-16 | 15,984 | 16,166 |
| 2016-17 | 15,112 | 15,877 |
Determination outcomes
| Year | Total determinations | Determinations within Jurisdiction |
| 2012-2013 | 643 | 543 |
| 2013-2014 | 680 | 529 |
| 2014-2015 | 819 | 579 |
| 2015-2016 | 1101 | 976 |
| 2016-2017 | 1649 | 1462 |
