| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 232 | 4.386,75 | 18,91 | 2 |
| 2007 | 77 | 1.685,42 | 21,89 | 1 |
| 2008 | 103 | 2.796,79 | 27,15 | 1 |
| 2009 | 124 | 2.772,14 | 22,36 | 2 |
| 2010 | 229 | 4.631,61 | 20,23 | 3 |
| 2011 | 219 | 4.621,11 | 21,10 | 3 |
| 2012 | 150 | 3.096,92 | 20,65 | 3 |
| 2013 | 128 | 2.279,88 | 17,81 | 2 |
| 2014 | 148 | 3.102,22 | 20,96 | 2 |
| 2015 | 159 | 3.421,84 | 21,52 | 2 |
| 2016 | 175 | 4.316,35 | 24,66 | 3 |
| 2017 | 165 | 4.087,90 | 24,78 | 3 |
| 2018 | 144 | 3.835,21 | 26,63 | 3 |
| 2019 | 143 | 3.361,38 | 23,51 | 3 |
| 2020 | 155 | 3.669,19 | 23,67 | 3 |
| 2021 | 150 | 3.443,40 | 22,96 | 4 |
| 2022 | 141 | 3.253,81 | 23,08 | 3 |
| 2023 | 130 | 2.875,53 | 22,12 | 3 |
| 2024 | 171 | 3.664,57 | 21,43 | 4 |
| totale | 2.943 | 65.302,02 | 22,19 | 50 |