| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 102 | 2.545,57 | 24,96 | 2 |
| 2009 | 39 | 1.368,91 | 35,10 | 2 |
| 2010 | 260 | 9.070,00 | 34,88 | 3 |
| 2011 | 232 | 8.150,75 | 35,13 | 2 |
| 2012 | 255 | 8.648,85 | 33,92 | 3 |
| 2013 | 262 | 8.230,48 | 31,41 | 3 |
| 2014 | 280 | 10.921,02 | 39,00 | 3 |
| 2015 | 293 | 11.117,39 | 37,94 | 4 |
| 2016 | 257 | 9.926,42 | 38,62 | 4 |
| 2017 | 263 | 10.695,12 | 40,67 | 4 |
| 2018 | 262 | 9.456,26 | 36,09 | 4 |
| 2019 | 276 | 11.107,75 | 40,25 | 4 |
| 2020 | 278 | 11.079,16 | 39,85 | 4 |
| 2021 | 263 | 10.312,00 | 39,21 | 4 |
| 2022 | 180 | 9.069,86 | 50,39 | 3 |
| 2023 | 184 | 8.242,66 | 44,80 | 3 |
| 2024 | 161 | 6.572,79 | 40,82 | 3 |
| totale | 3.847 | 146.514,99 | 38,09 | 55 |