| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 647 | 13.763,68 | 21,27 | 4 |
| 2007 | 479 | 11.239,87 | 23,47 | 3 |
| 2008 | 445 | 10.971,01 | 24,65 | 2 |
| 2009 | 500 | 12.467,55 | 24,94 | 4 |
| 2010 | 580 | 11.919,97 | 20,55 | 4 |
| 2011 | 548 | 12.428,93 | 22,68 | 3 |
| 2012 | 441 | 9.917,68 | 22,49 | 3 |
| 2013 | 442 | 9.692,60 | 21,93 | 4 |
| 2014 | 425 | 11.249,44 | 26,47 | 4 |
| 2015 | 459 | 11.995,26 | 26,13 | 4 |
| 2016 | 436 | 12.735,66 | 29,21 | 4 |
| 2017 | 485 | 12.976,46 | 26,76 | 5 |
| 2018 | 430 | 11.787,61 | 27,41 | 5 |
| 2019 | 426 | 12.141,20 | 28,50 | 5 |
| 2020 | 370 | 11.461,62 | 30,98 | 4 |
| 2021 | 339 | 9.799,46 | 28,91 | 4 |
| 2022 | 349 | 10.858,17 | 31,11 | 4 |
| 2023 | 340 | 9.520,53 | 28,00 | 4 |
| 2024 | 319 | 8.883,49 | 27,85 | 4 |
| totale | 8.460 | 215.810,19 | 25,51 | 74 |