| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 411 | 7.083,50 | 17,23 | 2 |
| 2007 | 254 | 5.176,58 | 20,38 | 1 |
| 2008 | 340 | 6.621,74 | 19,48 | 1 |
| 2009 | 365 | 7.476,99 | 20,48 | 3 |
| 2010 | 435 | 7.992,01 | 18,37 | 3 |
| 2011 | 386 | 7.376,63 | 19,11 | 2 |
| 2012 | 327 | 6.155,12 | 18,82 | 4 |
| 2013 | 177 | 2.878,44 | 16,26 | 4 |
| 2014 | 148 | 3.841,45 | 25,96 | 3 |
| 2015 | 74 | 1.430,59 | 19,33 | 3 |
| 2016 | 25 | 509,27 | 20,37 | 2 |
| 2017 | 63 | 1.390,57 | 22,07 | 3 |
| 2018 | 52 | 1.194,79 | 22,98 | 3 |
| 2019 | 67 | 1.448,60 | 21,62 | 4 |
| 2020 | 73 | 1.644,61 | 22,53 | 4 |
| 2021 | 61 | 1.431,84 | 23,47 | 4 |
| 2022 | 102 | 2.206,29 | 21,63 | 4 |
| 2023 | 96 | 1.934,44 | 20,15 | 4 |
| 2024 | 81 | 2.025,50 | 25,01 | 5 |
| totale | 3.537 | 69.818,96 | 19,74 | 59 |