| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 69 | 1.682,51 | 24,38 | 1 |
| 2009 | 20 | 503,41 | 25,17 | 1 |
| 2010 | 17 | 424,57 | 24,97 | 1 |
| 2012 | 125 | 2.669,52 | 21,36 | 2 |
| 2013 | 136 | 2.874,70 | 21,14 | 2 |
| 2014 | 132 | 3.343,83 | 25,33 | 2 |
| 2015 | 107 | 2.823,17 | 26,38 | 2 |
| 2016 | 92 | 2.193,47 | 23,84 | 2 |
| 2017 | 83 | 1.864,46 | 22,46 | 2 |
| 2018 | 74 | 1.915,83 | 25,89 | 2 |
| 2019 | 65 | 1.573,11 | 24,20 | 2 |
| 2020 | 75 | 2.047,86 | 27,30 | 2 |
| 2021 | 77 | 2.076,56 | 26,97 | 3 |
| 2022 | 68 | 1.438,22 | 21,15 | 3 |
| 2023 | 69 | 1.466,26 | 21,25 | 3 |
| 2024 | 79 | 1.398,13 | 17,70 | 3 |
| totale | 1.288 | 30.295,61 | 23,52 | 33 |