| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 105 | 1.787,82 | 17,03 | 1 |
| 2008 | 18 | 615,89 | 34,22 | 1 |
| 2009 | 23 | 524,56 | 22,81 | 2 |
| 2010 | 74 | 1.157,33 | 15,64 | 2 |
| 2012 | 67 | 1.143,42 | 17,07 | 1 |
| 2013 | 58 | 922,56 | 15,91 | 1 |
| 2014 | 66 | 1.235,25 | 18,72 | 1 |
| 2015 | 75 | 1.630,70 | 21,74 | 2 |
| 2016 | 81 | 1.606,62 | 19,83 | 2 |
| 2017 | 60 | 1.169,91 | 19,50 | 2 |
| 2018 | 52 | 1.261,90 | 24,27 | 2 |
| 2019 | 61 | 1.309,44 | 21,47 | 2 |
| 2020 | 60 | 1.260,70 | 21,01 | 2 |
| 2021 | 51 | 1.217,09 | 23,86 | 2 |
| 2022 | 47 | 1.010,79 | 21,51 | 2 |
| 2023 | 46 | 983,59 | 21,38 | 2 |
| 2024 | 36 | 781,18 | 21,70 | 2 |
| totale | 980 | 19.618,75 | 20,02 | 29 |