| Year | Number of validated signboards |
| 2014 | 32 |
| 2015 | 86 |
| 2016 | 96 |
| 2017 | 45 |
| 2018 | 30 |
| Financial year | No. of written-off cases due to unsuccessful recovery of costs of default works from signboard owners | The sum of written off due to unsuccessful recovery of costs of default works from signboard owners (HK$) |
| 2014-15 | 0 | 0 |
| 2015-16 | 1 | 37,912.30 |
| 2016-17 | 0 | 0 |
| 2017-18 | 1 | 29,860.60 |