| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 342 | 8.072,67 | 23,60 | 2 |
| 2007 | 323 | 8.195,73 | 25,37 | 2 |
| 2008 | 86 | 3.628,92 | 42,20 | 2 |
| 2009 | 193 | 5.835,11 | 30,23 | 4 |
| 2010 | 231 | 5.609,00 | 24,28 | 4 |
| 2011 | 173 | 4.821,10 | 27,87 | 2 |
| 2012 | 236 | 5.507,79 | 23,34 | 3 |
| 2013 | 220 | 5.021,99 | 22,83 | 3 |
| 2014 | 209 | 5.741,85 | 27,47 | 3 |
| 2015 | 193 | 5.312,97 | 27,53 | 3 |
| 2016 | 212 | 6.125,45 | 28,89 | 3 |
| 2017 | 192 | 5.800,79 | 30,21 | 3 |
| 2018 | 184 | 5.331,18 | 28,97 | 3 |
| 2019 | 175 | 4.819,44 | 27,54 | 4 |
| 2020 | 163 | 4.674,19 | 28,68 | 4 |
| 2021 | 142 | 3.390,14 | 23,87 | 4 |
| 2022 | 170 | 4.677,75 | 27,52 | 5 |
| 2023 | 157 | 3.899,33 | 24,84 | 6 |
| 2024 | 165 | 3.725,38 | 22,58 | 6 |
| totale | 3.766 | 100.190,78 | 26,60 | 66 |