| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 270 | 4.309,69 | 15,96 | 2 |
| 2007 | 236 | 6.495,17 | 27,52 | 2 |
| 2008 | 256 | 5.785,51 | 22,60 | 3 |
| 2009 | 396 | 9.184,83 | 23,19 | 4 |
| 2010 | 189 | 3.737,27 | 19,77 | 2 |
| 2011 | 216 | 3.841,66 | 17,79 | 3 |
| 2012 | 110 | 1.842,72 | 16,75 | 3 |
| 2013 | 56 | 1.450,23 | 25,90 | 3 |
| 2014 | 149 | 3.438,29 | 23,08 | 3 |
| 2015 | 320 | 6.679,92 | 20,87 | 5 |
| 2016 | 167 | 3.386,37 | 20,28 | 4 |
| 2017 | 221 | 4.265,57 | 19,30 | 4 |
| 2018 | 271 | 5.242,33 | 19,34 | 5 |
| 2019 | 234 | 4.684,12 | 20,02 | 5 |
| 2020 | 172 | 3.173,02 | 18,45 | 6 |
| 2021 | 251 | 5.191,25 | 20,68 | 6 |
| 2022 | 258 | 6.325,67 | 24,52 | 7 |
| 2023 | 325 | 6.950,69 | 21,39 | 8 |
| 2024 | 482 | 11.279,11 | 23,40 | 13 |
| totale | 4.579 | 97.263,42 | 21,24 | 88 |