| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 270 | 4.942,20 | 18,30 | 2 |
| 2007 | 31 | 775,46 | 25,01 | 1 |
| 2008 | 192 | 6.803,01 | 35,43 | 3 |
| 2009 | 91 | 2.296,01 | 25,23 | 2 |
| 2010 | 168 | 4.165,32 | 24,79 | 4 |
| 2011 | 25 | 591,75 | 23,67 | 1 |
| 2012 | 144 | 3.591,17 | 24,94 | 4 |
| 2013 | 101 | 2.347,48 | 23,24 | 2 |
| 2014 | 168 | 5.206,34 | 30,99 | 3 |
| 2015 | 184 | 5.594,90 | 30,41 | 3 |
| 2016 | 204 | 6.580,63 | 32,26 | 4 |
| 2017 | 282 | 8.139,21 | 28,86 | 5 |
| 2018 | 297 | 8.803,75 | 29,64 | 6 |
| 2019 | 338 | 10.652,17 | 31,52 | 5 |
| 2020 | 339 | 10.867,09 | 32,06 | 5 |
| 2021 | 230 | 7.914,57 | 34,41 | 4 |
| 2022 | 158 | 5.521,13 | 34,94 | 3 |
| 2023 | 159 | 5.130,56 | 32,27 | 3 |
| 2024 | 142 | 4.161,58 | 29,31 | 3 |
| totale | 3.523 | 104.084,33 | 29,54 | 63 |