| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 81 | 1.564,63 | 19,32 | 1 |
| 2009 | 26 | 637,92 | 24,54 | 1 |
| 2010 | 19 | 492,77 | 25,94 | 1 |
| 2012 | 31 | 837,42 | 27,01 | 1 |
| 2013 | 40 | 1.264,23 | 31,61 | 1 |
| 2014 | 31 | 924,05 | 29,81 | 1 |
| 2015 | 33 | 1.108,37 | 33,59 | 1 |
| 2016 | 24 | 1.188,07 | 49,50 | 1 |
| 2017 | 26 | 1.329,53 | 51,14 | 1 |
| 2018 | 36 | 1.442,11 | 40,06 | 2 |
| 2019 | 35 | 1.316,66 | 37,62 | 2 |
| 2020 | 26 | 703,70 | 27,07 | 2 |
| 2021 | 28 | 958,32 | 34,23 | 2 |
| 2022 | 35 | 1.136,94 | 32,48 | 2 |
| 2023 | 35 | 829,94 | 23,71 | 2 |
| 2024 | 74 | 2.378,34 | 32,14 | 3 |
| totale | 580 | 18.113,00 | 31,23 | 24 |