| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 133 | 2.290,89 | 17,22 | 1 |
| 2009 | 54 | 1.751,52 | 32,44 | 2 |
| 2010 | 58 | 1.206,51 | 20,80 | 2 |
| 2011 | 28 | 885,88 | 31,64 | 1 |
| 2012 | 59 | 1.397,30 | 23,68 | 3 |
| 2013 | 45 | 1.097,37 | 24,39 | 3 |
| 2014 | 45 | 1.766,60 | 39,26 | 3 |
| 2015 | 44 | 1.826,31 | 41,51 | 3 |
| 2016 | 40 | 1.648,21 | 41,21 | 3 |
| 2017 | 38 | 1.652,48 | 43,49 | 3 |
| 2018 | 27 | 785,54 | 29,09 | 2 |
| 2019 | 31 | 866,70 | 27,96 | 2 |
| 2020 | 25 | 674,78 | 26,99 | 2 |
| 2021 | 16 | 307,71 | 19,23 | 1 |
| 2022 | 16 | 256,04 | 16,00 | 1 |
| 2023 | 17 | 302,56 | 17,80 | 1 |
| 2024 | 23 | 489,87 | 21,30 | 1 |
| totale | 699 | 19.206,27 | 27,48 | 34 |