| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 692,40 | 20,36 | 1 |
| 2007 | 4 | 113,27 | 28,32 | 1 |
| 2008 | 10 | 279,72 | 27,97 | 1 |
| 2009 | 8 | 477,29 | 59,66 | 2 |
| 2010 | 13 | 510,03 | 39,23 | 2 |
| 2011 | 11 | 363,11 | 33,01 | 1 |
| 2012 | 13 | 417,08 | 32,08 | 2 |
| 2013 | 18 | 545,34 | 30,30 | 2 |
| 2014 | 26 | 787,46 | 30,29 | 2 |
| 2015 | 29 | 935,69 | 32,27 | 2 |
| 2016 | 30 | 1.253,76 | 41,79 | 2 |
| 2017 | 34 | 1.241,53 | 36,52 | 2 |
| 2018 | 38 | 1.597,80 | 42,05 | 2 |
| 2019 | 38 | 1.797,62 | 47,31 | 2 |
| 2020 | 33 | 1.268,13 | 38,43 | 2 |
| 2021 | 49 | 1.905,81 | 38,89 | 2 |
| 2022 | 49 | 2.898,92 | 59,16 | 3 |
| 2023 | 52 | 3.072,74 | 59,09 | 4 |
| 2024 | 78 | 3.692,01 | 47,33 | 4 |
| totale | 567 | 23.849,71 | 42,06 | 39 |