| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 801,63 | 14,31 | 1 |
| 2008 | 8 | 145,10 | 18,14 | 1 |
| 2009 | 34 | 1.310,02 | 38,53 | 2 |
| 2010 | 37 | 1.006,51 | 27,20 | 2 |
| 2012 | 12 | 136,04 | 11,34 | 1 |
| 2013 | 35 | 820,72 | 23,45 | 2 |
| 2014 | 33 | 1.095,56 | 33,20 | 2 |
| 2015 | 23 | 759,54 | 33,02 | 2 |
| 2016 | 28 | 835,54 | 29,84 | 2 |
| 2017 | 34 | 980,66 | 28,84 | 2 |
| 2018 | 29 | 1.038,93 | 35,83 | 2 |
| 2019 | 25 | 692,32 | 27,69 | 2 |
| 2020 | 26 | 791,51 | 30,44 | 2 |
| 2021 | 23 | 623,92 | 27,13 | 2 |
| 2022 | 22 | 645,15 | 29,33 | 2 |
| 2023 | 20 | 430,92 | 21,55 | 2 |
| 2024 | 7 | 176,75 | 25,25 | 2 |
| totale | 452 | 12.290,82 | 27,19 | 31 |