| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 398 | 6.471,14 | 16,26 | 3 |
| 2007 | 24 | 384,13 | 16,01 | 2 |
| 2008 | 16 | 155,55 | 9,72 | 1 |
| 2009 | 48 | 793,87 | 16,54 | 2 |
| 2010 | 57 | 1.080,11 | 18,95 | 2 |
| 2011 | 2 | 42,60 | 21,30 | 1 |
| 2012 | 48 | 670,92 | 13,98 | 1 |
| 2013 | 28 | 391,32 | 13,98 | 1 |
| 2014 | 28 | 496,81 | 17,74 | 1 |
| 2015 | 32 | 652,51 | 20,39 | 1 |
| 2016 | 62 | 987,68 | 15,93 | 1 |
| 2017 | 32 | 648,08 | 20,25 | 1 |
| 2018 | 23 | 422,50 | 18,37 | 1 |
| 2019 | 19 | 459,89 | 24,20 | 1 |
| 2020 | 39 | 650,46 | 16,68 | 1 |
| 2021 | 27 | 368,79 | 13,66 | 1 |
| 2022 | 57 | 757,68 | 13,29 | 1 |
| 2023 | 19 | 221,28 | 11,65 | 1 |
| 2024 | 15 | 191,24 | 12,75 | 1 |
| totale | 974 | 15.846,56 | 16,27 | 24 |