| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 517 | 8.204,82 | 15,87 | 2 |
| 2007 | 325 | 6.569,56 | 20,21 | 1 |
| 2008 | 291 | 6.428,88 | 22,09 | 1 |
| 2009 | 24 | 720,40 | 30,02 | 1 |
| 2010 | 99 | 1.836,96 | 18,56 | 2 |
| 2011 | 94 | 1.764,08 | 18,77 | 2 |
| 2012 | 131 | 2.160,39 | 16,49 | 2 |
| 2013 | 109 | 1.907,38 | 17,50 | 2 |
| 2014 | 87 | 1.892,28 | 21,75 | 2 |
| 2015 | 20 | 470,30 | 23,52 | 1 |
| 2016 | 23 | 657,66 | 28,59 | 1 |
| 2017 | 41 | 828,93 | 20,22 | 1 |
| 2018 | 34 | 717,77 | 21,11 | 1 |
| 2019 | 37 | 999,96 | 27,03 | 2 |
| 2020 | 40 | 989,69 | 24,74 | 2 |
| 2021 | 34 | 915,44 | 26,92 | 2 |
| 2022 | 24 | 937,92 | 39,08 | 2 |
| 2023 | 31 | 863,30 | 27,85 | 2 |
| 2024 | 28 | 657,07 | 23,47 | 2 |
| totale | 1.989 | 39.522,79 | 19,87 | 31 |