| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 408 | 10.249,42 | 25,12 | 5 |
| 2007 | 154 | 5.593,50 | 36,32 | 3 |
| 2008 | 183 | 6.778,96 | 37,04 | 4 |
| 2009 | 445 | 9.728,53 | 21,86 | 6 |
| 2010 | 441 | 8.622,28 | 19,55 | 6 |
| 2011 | 211 | 5.130,43 | 24,31 | 3 |
| 2012 | 420 | 7.943,93 | 18,91 | 6 |
| 2013 | 436 | 8.525,64 | 19,55 | 6 |
| 2014 | 416 | 10.573,07 | 25,42 | 6 |
| 2015 | 338 | 8.849,90 | 26,18 | 7 |
| 2016 | 302 | 7.931,12 | 26,26 | 8 |
| 2017 | 347 | 9.081,36 | 26,17 | 10 |
| 2018 | 366 | 9.877,55 | 26,99 | 11 |
| 2019 | 330 | 7.900,96 | 23,94 | 11 |
| 2020 | 318 | 7.994,62 | 25,14 | 11 |
| 2021 | 351 | 9.576,21 | 27,28 | 10 |
| 2022 | 455 | 10.930,77 | 24,02 | 10 |
| 2023 | 479 | 11.245,42 | 23,48 | 10 |
| 2024 | 487 | 11.044,83 | 22,68 | 9 |
| totale | 6.887 | 167.578,50 | 24,33 | 142 |