| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 239 | 3.594,42 | 15,04 | 1 |
| 2008 | 13 | 283,02 | 21,77 | 2 |
| 2009 | 51 | 1.077,39 | 21,13 | 2 |
| 2010 | 43 | 1.081,24 | 25,15 | 2 |
| 2012 | 63 | 1.329,42 | 21,10 | 2 |
| 2013 | 47 | 616,71 | 13,12 | 1 |
| 2014 | 37 | 617,22 | 16,68 | 1 |
| 2015 | 38 | 521,35 | 13,72 | 1 |
| 2016 | 73 | 4.109,01 | 56,29 | 2 |
| 2017 | 65 | 3.874,46 | 59,61 | 2 |
| 2018 | 76 | 4.791,72 | 63,05 | 2 |
| 2019 | 69 | 5.090,37 | 73,77 | 2 |
| 2020 | 70 | 5.194,21 | 74,20 | 3 |
| 2021 | 75 | 4.779,27 | 63,72 | 4 |
| 2022 | 26 | 844,35 | 32,48 | 3 |
| 2023 | 29 | 353,37 | 12,19 | 3 |
| 2024 | 38 | 659,25 | 17,35 | 4 |
| totale | 1.052 | 38.816,78 | 36,90 | 37 |