| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 51 | 748,24 | 14,67 | 1 |
| 2008 | 19 | 585,58 | 30,82 | 2 |
| 2009 | 43 | 815,55 | 18,97 | 3 |
| 2010 | 136 | 3.384,56 | 24,89 | 4 |
| 2011 | 19 | 187,33 | 9,86 | 2 |
| 2012 | 34 | 445,03 | 13,09 | 3 |
| 2013 | 15 | 167,37 | 11,16 | 1 |
| 2014 | 17 | 286,73 | 16,87 | 1 |
| 2015 | 36 | 657,48 | 18,26 | 1 |
| 2016 | 26 | 487,21 | 18,74 | 1 |
| 2017 | 25 | 533,73 | 21,35 | 1 |
| 2018 | 21 | 427,44 | 20,35 | 1 |
| 2019 | 30 | 536,43 | 17,88 | 1 |
| 2020 | 22 | 459,62 | 20,89 | 1 |
| 2021 | 11 | 235,11 | 21,37 | 1 |
| 2022 | 12 | 265,42 | 22,12 | 1 |
| 2023 | 13 | 270,49 | 20,81 | 1 |
| 2024 | 8 | 129,82 | 16,23 | 1 |
| totale | 538 | 10.623,14 | 19,75 | 27 |