| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 765,61 | 15,95 | 1 |
| 2009 | 8 | 101,94 | 12,74 | 1 |
| 2010 | 8 | 93,99 | 11,75 | 1 |
| 2011 | 2 | 26,56 | 13,28 | 1 |
| 2012 | 56 | 1.145,14 | 20,45 | 2 |
| 2013 | 50 | 1.059,43 | 21,19 | 2 |
| 2014 | 10 | 221,63 | 22,16 | 1 |
| 2015 | 52 | 1.128,50 | 21,70 | 2 |
| 2016 | 57 | 1.312,67 | 23,03 | 2 |
| 2017 | 52 | 1.208,17 | 23,23 | 2 |
| 2018 | 43 | 1.009,72 | 23,48 | 2 |
| 2019 | 43 | 859,61 | 19,99 | 2 |
| 2020 | 43 | 843,13 | 19,61 | 2 |
| 2021 | 38 | 781,87 | 20,58 | 2 |
| 2022 | 38 | 959,48 | 25,25 | 2 |
| 2023 | 48 | 1.135,22 | 23,65 | 2 |
| 2024 | 41 | 971,99 | 23,71 | 2 |
| totale | 637 | 13.624,66 | 21,39 | 29 |