| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 54 | 987,01 | 18,28 | 1 |
| 2009 | 11 | 193,94 | 17,63 | 1 |
| 2010 | 15 | 347,38 | 23,16 | 1 |
| 2012 | 10 | 219,22 | 21,92 | 1 |
| 2013 | 11 | 183,23 | 16,66 | 1 |
| 2014 | 17 | 766,15 | 45,07 | 2 |
| 2015 | 24 | 954,34 | 39,76 | 2 |
| 2016 | 23 | 997,67 | 43,38 | 2 |
| 2017 | 16 | 488,95 | 30,56 | 2 |
| 2018 | 3 | 228,00 | 76,00 | 1 |
| 2019 | 18 | 491,82 | 27,32 | 2 |
| 2020 | 23 | 843,02 | 36,65 | 2 |
| 2021 | 15 | 549,56 | 36,64 | 2 |
| 2022 | 17 | 669,78 | 39,40 | 2 |
| 2023 | 22 | 621,10 | 28,23 | 2 |
| 2024 | 22 | 696,43 | 31,66 | 2 |
| totale | 301 | 9.237,60 | 30,69 | 26 |