| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 24 | 514,87 | 21,45 | 2 |
| 2009 | 59 | 754,78 | 12,79 | 1 |
| 2010 | 16 | 282,86 | 17,68 | 1 |
| 2012 | 244 | 3.270,40 | 13,40 | 2 |
| 2013 | 21 | 264,41 | 12,59 | 2 |
| 2014 | 155 | 2.935,18 | 18,94 | 3 |
| 2015 | 164 | 3.013,29 | 18,37 | 3 |
| 2016 | 24 | 372,34 | 15,51 | 2 |
| 2017 | 29 | 485,34 | 16,74 | 2 |
| 2018 | 32 | 586,68 | 18,33 | 2 |
| 2019 | 26 | 544,28 | 20,93 | 2 |
| 2020 | 20 | 432,64 | 21,63 | 2 |
| 2021 | 21 | 368,46 | 17,55 | 2 |
| 2022 | 21 | 504,23 | 24,01 | 2 |
| 2023 | 37 | 912,74 | 24,67 | 4 |
| 2024 | 20 | 337,40 | 16,87 | 3 |
| totale | 913 | 15.579,90 | 17,06 | 35 |