| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 532 | 13.501,39 | 25,38 | 4 |
| 2007 | 210 | 8.141,57 | 38,77 | 4 |
| 2008 | 255 | 9.095,66 | 35,67 | 4 |
| 2009 | 298 | 10.228,70 | 34,32 | 5 |
| 2010 | 306 | 8.090,33 | 26,44 | 5 |
| 2011 | 262 | 6.754,42 | 25,78 | 3 |
| 2012 | 251 | 5.990,47 | 23,87 | 4 |
| 2013 | 563 | 14.607,64 | 25,95 | 6 |
| 2014 | 552 | 15.525,46 | 28,13 | 6 |
| 2015 | 503 | 15.318,64 | 30,45 | 6 |
| 2016 | 511 | 17.655,13 | 34,55 | 6 |
| 2017 | 545 | 20.585,92 | 37,77 | 6 |
| 2018 | 497 | 20.487,26 | 41,22 | 6 |
| 2019 | 538 | 25.495,85 | 47,39 | 6 |
| 2020 | 541 | 21.387,35 | 39,53 | 7 |
| 2021 | 557 | 20.803,57 | 37,35 | 7 |
| 2022 | 521 | 22.617,97 | 43,41 | 7 |
| 2023 | 521 | 28.410,47 | 54,53 | 8 |
| 2024 | 525 | 22.109,03 | 42,11 | 9 |
| totale | 8.488 | 306.806,83 | 36,15 | 109 |