| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 2.142,19 | 22,79 | 2 |
| 2007 | 12 | 560,66 | 46,72 | 1 |
| 2008 | 9 | 611,56 | 67,95 | 1 |
| 2009 | 22 | 869,90 | 39,54 | 2 |
| 2010 | 31 | 1.454,30 | 46,91 | 2 |
| 2011 | 20 | 1.368,37 | 68,42 | 1 |
| 2012 | 42 | 2.209,36 | 52,60 | 3 |
| 2013 | 57 | 2.124,20 | 37,27 | 2 |
| 2014 | 48 | 2.391,38 | 49,82 | 3 |
| 2015 | 45 | 2.083,21 | 46,29 | 2 |
| 2016 | 44 | 1.519,64 | 34,54 | 2 |
| 2017 | 48 | 1.627,46 | 33,91 | 2 |
| 2018 | 31 | 690,08 | 22,26 | 1 |
| 2019 | 34 | 749,01 | 22,03 | 1 |
| 2020 | 38 | 879,26 | 23,14 | 1 |
| 2021 | 31 | 1.111,92 | 35,87 | 2 |
| 2022 | 46 | 1.235,76 | 26,86 | 3 |
| 2023 | 42 | 1.371,77 | 32,66 | 4 |
| 2024 | 38 | 1.136,10 | 29,90 | 5 |
| totale | 732 | 26.136,13 | 35,71 | 40 |