| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 260 | 6.152,19 | 23,66 | 3 |
| 2007 | 195 | 5.712,41 | 29,29 | 2 |
| 2008 | 299 | 9.284,35 | 31,05 | 3 |
| 2009 | 376 | 10.839,96 | 28,83 | 4 |
| 2010 | 370 | 8.859,54 | 23,94 | 6 |
| 2011 | 350 | 8.020,48 | 22,92 | 4 |
| 2012 | 450 | 11.755,39 | 26,12 | 6 |
| 2013 | 479 | 11.712,05 | 24,45 | 6 |
| 2014 | 430 | 14.016,88 | 32,60 | 5 |
| 2015 | 463 | 15.208,48 | 32,85 | 6 |
| 2016 | 493 | 16.817,91 | 34,11 | 7 |
| 2017 | 467 | 17.156,34 | 36,74 | 7 |
| 2018 | 456 | 15.983,33 | 35,05 | 7 |
| 2019 | 445 | 15.737,83 | 35,37 | 7 |
| 2020 | 409 | 15.309,80 | 37,43 | 7 |
| 2021 | 318 | 10.164,32 | 31,96 | 6 |
| 2022 | 205 | 5.727,70 | 27,94 | 5 |
| 2023 | 256 | 8.008,95 | 31,28 | 6 |
| 2024 | 264 | 7.926,79 | 30,03 | 7 |
| totale | 6.985 | 214.394,70 | 30,69 | 104 |