| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 81 | 1.990,03 | 24,57 | 1 |
| 2009 | 24 | 538,37 | 22,43 | 1 |
| 2010 | 18 | 264,05 | 14,67 | 1 |
| 2012 | 54 | 1.354,33 | 25,08 | 2 |
| 2013 | 13 | 154,50 | 11,88 | 1 |
| 2014 | 51 | 1.496,87 | 29,35 | 2 |
| 2015 | 14 | 335,98 | 24,00 | 1 |
| 2016 | 20 | 473,85 | 23,69 | 1 |
| 2017 | 22 | 649,73 | 29,53 | 1 |
| 2018 | 56 | 2.340,60 | 41,80 | 2 |
| 2019 | 51 | 1.928,09 | 37,81 | 2 |
| 2020 | 39 | 1.720,23 | 44,11 | 2 |
| 2021 | 43 | 2.155,07 | 50,12 | 2 |
| 2022 | 40 | 1.860,52 | 46,51 | 2 |
| 2023 | 38 | 1.084,71 | 28,55 | 2 |
| 2024 | 43 | 1.164,68 | 27,09 | 2 |
| totale | 607 | 19.511,61 | 32,14 | 25 |