Enquiries and complaints received
| Year | Enquiries | Complaints |
| 2015-16 | 10,182 | 5,802 |
| 2016-17 | 9,242 | 5,870 |
| 2017-18 | 7,639 | 6,806 |
Cases received and closed
| Year | Received | Closed |
| 2015-16 | 15,984 | 16,166 |
| 2016-17 | 15,112 | 15,877 |
| 2017-18 | 14,445 | 14,863 |
Determination outcomes
| Year | Total determinations | Determinations within Jurisdiction |
| 2015-16 | 1,101 | 976 |
| 2016-17 | 1,649 | 1,462 |
| 2017-18 | 1,712 | 1,523 |
