| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 272 | 5.872,68 | 21,59 | 3 |
| 2007 | 76 | 1.507,91 | 19,84 | 1 |
| 2008 | 69 | 1.346,81 | 19,52 | 1 |
| 2009 | 299 | 5.978,53 | 20,00 | 4 |
| 2010 | 357 | 6.716,81 | 18,81 | 4 |
| 2011 | 390 | 6.581,99 | 16,88 | 2 |
| 2012 | 453 | 9.660,91 | 21,33 | 5 |
| 2013 | 464 | 9.295,06 | 20,03 | 6 |
| 2014 | 256 | 6.248,08 | 24,41 | 5 |
| 2015 | 528 | 11.372,50 | 21,54 | 6 |
| 2016 | 597 | 12.244,59 | 20,51 | 6 |
| 2017 | 625 | 12.032,56 | 19,25 | 6 |
| 2018 | 733 | 17.431,03 | 23,78 | 7 |
| 2019 | 735 | 17.465,98 | 23,76 | 8 |
| 2020 | 720 | 19.009,46 | 26,40 | 9 |
| 2021 | 681 | 18.322,09 | 26,90 | 9 |
| 2022 | 697 | 21.737,32 | 31,19 | 9 |
| 2023 | 782 | 21.867,20 | 27,96 | 9 |
| 2024 | 556 | 15.516,68 | 27,91 | 11 |
| totale | 9.290 | 220.208,19 | 23,70 | 111 |