| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 423 | 6.374,69 | 15,07 | 2 |
| 2007 | 379 | 5.400,70 | 14,25 | 1 |
| 2008 | 287 | 4.287,17 | 14,94 | 1 |
| 2009 | 374 | 6.706,13 | 17,93 | 3 |
| 2010 | 276 | 4.048,13 | 14,67 | 4 |
| 2011 | 189 | 2.581,09 | 13,66 | 1 |
| 2012 | 200 | 3.156,74 | 15,78 | 2 |
| 2013 | 220 | 3.112,35 | 14,15 | 2 |
| 2014 | 201 | 3.454,35 | 17,19 | 2 |
| 2015 | 224 | 4.109,25 | 18,34 | 2 |
| 2016 | 250 | 4.167,11 | 16,67 | 2 |
| 2017 | 298 | 5.191,95 | 17,42 | 3 |
| 2018 | 318 | 5.507,49 | 17,32 | 4 |
| 2019 | 321 | 5.889,20 | 18,35 | 4 |
| 2020 | 382 | 8.559,52 | 22,41 | 5 |
| 2021 | 337 | 7.698,05 | 22,84 | 5 |
| 2022 | 353 | 7.938,48 | 22,49 | 5 |
| 2023 | 355 | 8.211,80 | 23,13 | 6 |
| 2024 | 906 | 13.487,12 | 14,89 | 8 |
| totale | 6.293 | 109.881,32 | 17,46 | 62 |