| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 82 | 1.214,78 | 14,81 | 1 |
| 2009 | 63 | 1.290,22 | 20,48 | 2 |
| 2010 | 19 | 363,69 | 19,14 | 1 |
| 2012 | 10 | 229,85 | 22,99 | 1 |
| 2013 | 73 | 853,03 | 11,69 | 1 |
| 2014 | 69 | 1.006,25 | 14,58 | 1 |
| 2015 | 128 | 2.758,95 | 21,55 | 2 |
| 2016 | 53 | 1.407,47 | 26,56 | 3 |
| 2017 | 41 | 997,76 | 24,34 | 2 |
| 2018 | 10 | 174,00 | 17,40 | 1 |
| 2019 | 15 | 375,07 | 25,00 | 1 |
| 2020 | 8 | 183,66 | 22,96 | 1 |
| 2021 | 3 | 66,49 | 22,16 | 1 |
| 2022 | 9 | 248,49 | 27,61 | 1 |
| 2023 | 32 | 674,35 | 21,07 | 2 |
| 2024 | 38 | 716,34 | 18,85 | 2 |
| totale | 653 | 12.560,40 | 19,23 | 23 |