| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 926 | 17.849,01 | 19,28 | 3 |
| 2007 | 616 | 13.888,67 | 22,55 | 2 |
| 2008 | 575 | 13.212,16 | 22,98 | 5 |
| 2009 | 588 | 13.582,26 | 23,10 | 6 |
| 2010 | 589 | 11.588,54 | 19,67 | 4 |
| 2011 | 454 | 7.680,36 | 16,92 | 2 |
| 2012 | 578 | 11.345,20 | 19,63 | 4 |
| 2013 | 534 | 8.950,40 | 16,76 | 3 |
| 2014 | 574 | 12.675,74 | 22,08 | 4 |
| 2015 | 566 | 12.857,94 | 22,72 | 4 |
| 2016 | 536 | 12.692,02 | 23,68 | 4 |
| 2017 | 455 | 10.923,13 | 24,01 | 3 |
| 2018 | 466 | 10.229,16 | 21,95 | 3 |
| 2019 | 495 | 10.615,83 | 21,45 | 3 |
| 2020 | 507 | 12.126,51 | 23,92 | 3 |
| 2021 | 464 | 12.087,60 | 26,05 | 3 |
| 2022 | 463 | 12.753,56 | 27,55 | 3 |
| 2023 | 551 | 16.662,90 | 30,24 | 5 |
| 2024 | 492 | 12.239,29 | 24,88 | 5 |
| totale | 10.429 | 233.960,28 | 22,43 | 69 |