| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 126 | 2.651,68 | 21,05 | 2 |
| 2007 | 54 | 1.311,47 | 24,29 | 1 |
| 2008 | 72 | 1.856,90 | 25,79 | 1 |
| 2009 | 154 | 3.711,94 | 24,10 | 2 |
| 2010 | 181 | 3.354,32 | 18,53 | 2 |
| 2011 | 151 | 2.667,20 | 17,66 | 1 |
| 2012 | 174 | 3.167,15 | 18,20 | 2 |
| 2013 | 212 | 3.573,11 | 16,85 | 2 |
| 2014 | 180 | 3.765,19 | 20,92 | 2 |
| 2015 | 138 | 3.014,82 | 21,85 | 2 |
| 2016 | 141 | 3.100,61 | 21,99 | 2 |
| 2017 | 140 | 3.841,17 | 27,44 | 2 |
| 2018 | 160 | 4.239,92 | 26,50 | 2 |
| 2019 | 163 | 4.043,03 | 24,80 | 2 |
| 2020 | 133 | 3.378,28 | 25,40 | 2 |
| 2021 | 120 | 2.886,58 | 24,05 | 2 |
| 2022 | 98 | 2.380,53 | 24,29 | 2 |
| 2023 | 146 | 3.641,21 | 24,94 | 3 |
| 2024 | 136 | 3.283,46 | 24,14 | 4 |
| totale | 2.679 | 59.868,57 | 22,35 | 38 |