| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 257 | 4.970,77 | 19,34 | 3 |
| 2007 | 226 | 4.468,08 | 19,77 | 4 |
| 2008 | 105 | 2.952,85 | 28,12 | 2 |
| 2009 | 89 | 2.016,85 | 22,66 | 3 |
| 2010 | 81 | 1.755,59 | 21,67 | 3 |
| 2011 | 56 | 1.204,55 | 21,51 | 2 |
| 2012 | 52 | 860,19 | 16,54 | 4 |
| 2013 | 76 | 1.506,20 | 19,82 | 4 |
| 2014 | 84 | 2.217,78 | 26,40 | 4 |
| 2015 | 21 | 532,81 | 25,37 | 2 |
| 2016 | 28 | 813,56 | 29,06 | 4 |
| 2017 | 58 | 2.515,07 | 43,36 | 5 |
| 2018 | 61 | 2.163,06 | 35,46 | 5 |
| 2019 | 47 | 2.459,72 | 52,33 | 5 |
| 2020 | 35 | 1.597,76 | 45,65 | 5 |
| 2021 | 36 | 1.469,89 | 40,83 | 5 |
| 2022 | 36 | 1.051,67 | 29,21 | 5 |
| 2023 | 53 | 1.605,27 | 30,29 | 6 |
| 2024 | 57 | 1.864,74 | 32,71 | 7 |
| totale | 1.458 | 38.026,41 | 26,08 | 78 |