| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.602,42 | 19,08 | 2 |
| 2007 | 221 | 3.519,24 | 15,92 | 1 |
| 2008 | 293 | 5.428,59 | 18,53 | 2 |
| 2009 | 272 | 5.201,51 | 19,12 | 4 |
| 2010 | 214 | 4.521,94 | 21,13 | 3 |
| 2011 | 198 | 3.470,61 | 17,53 | 3 |
| 2012 | 213 | 3.950,49 | 18,55 | 3 |
| 2013 | 242 | 4.164,96 | 17,21 | 3 |
| 2014 | 300 | 7.248,20 | 24,16 | 4 |
| 2015 | 239 | 6.062,27 | 25,37 | 4 |
| 2016 | 580 | 11.806,56 | 20,36 | 4 |
| 2017 | 378 | 7.975,45 | 21,10 | 4 |
| 2018 | 499 | 10.112,26 | 20,27 | 5 |
| 2019 | 547 | 11.424,50 | 20,89 | 5 |
| 2020 | 739 | 13.542,83 | 18,33 | 5 |
| 2021 | 589 | 10.907,29 | 18,52 | 6 |
| 2022 | 393 | 7.493,04 | 19,07 | 5 |
| 2023 | 489 | 11.092,77 | 22,68 | 7 |
| 2024 | 423 | 10.807,75 | 25,55 | 7 |
| totale | 6.913 | 140.332,68 | 20,30 | 77 |