| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 44 | 667,12 | 15,16 | 1 |
| 2007 | 97 | 2.051,10 | 21,15 | 2 |
| 2008 | 105 | 2.169,69 | 20,66 | 2 |
| 2009 | 244 | 6.148,66 | 25,20 | 4 |
| 2010 | 203 | 4.057,19 | 19,99 | 3 |
| 2011 | 245 | 3.611,79 | 14,74 | 2 |
| 2012 | 380 | 6.292,29 | 16,56 | 3 |
| 2013 | 334 | 5.328,34 | 15,95 | 4 |
| 2014 | 358 | 6.792,19 | 18,97 | 3 |
| 2015 | 152 | 3.754,20 | 24,70 | 3 |
| 2016 | 139 | 3.205,43 | 23,06 | 4 |
| 2017 | 128 | 2.626,25 | 20,52 | 3 |
| 2018 | 89 | 1.683,31 | 18,91 | 3 |
| 2019 | 67 | 1.472,54 | 21,98 | 2 |
| 2020 | 39 | 858,05 | 22,00 | 1 |
| 2021 | 58 | 1.203,69 | 20,75 | 1 |
| 2022 | 58 | 1.540,48 | 26,56 | 1 |
| 2023 | 50 | 1.010,29 | 20,21 | 1 |
| 2024 | 51 | 999,06 | 19,59 | 1 |
| totale | 2.841 | 55.471,67 | 19,53 | 44 |