| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 24 | 505,03 | 21,04 | 1 |
| 2009 | 6 | 75,35 | 12,56 | 1 |
| 2010 | 7 | 86,32 | 12,33 | 1 |
| 2011 | 32 | 997,50 | 31,17 | 1 |
| 2012 | 52 | 1.074,38 | 20,66 | 2 |
| 2013 | 53 | 1.078,50 | 20,35 | 2 |
| 2014 | 61 | 1.576,11 | 25,84 | 3 |
| 2015 | 122 | 2.464,51 | 20,20 | 2 |
| 2016 | 126 | 2.696,44 | 21,40 | 2 |
| 2017 | 125 | 2.469,79 | 19,76 | 2 |
| 2018 | 112 | 2.591,32 | 23,14 | 2 |
| 2019 | 107 | 2.198,92 | 20,55 | 2 |
| 2020 | 147 | 3.606,52 | 24,53 | 2 |
| 2021 | 99 | 2.439,35 | 24,64 | 2 |
| 2022 | 89 | 2.625,44 | 29,50 | 2 |
| 2023 | 116 | 2.890,70 | 24,92 | 2 |
| 2024 | 103 | 2.945,04 | 28,59 | 3 |
| totale | 1.381 | 32.321,22 | 23,40 | 32 |