| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 20 | 534,37 | 26,72 | 1 |
| 2007 | 12 | 473,23 | 39,44 | 1 |
| 2008 | 12 | 468,57 | 39,05 | 2 |
| 2009 | 16 | 417,89 | 26,12 | 2 |
| 2010 | 88 | 2.353,67 | 26,75 | 3 |
| 2011 | 9 | 317,57 | 35,29 | 1 |
| 2012 | 80 | 2.314,90 | 28,94 | 3 |
| 2013 | 28 | 902,84 | 32,24 | 2 |
| 2014 | 25 | 979,19 | 39,17 | 2 |
| 2015 | 6 | 383,59 | 63,93 | 1 |
| 2016 | 21 | 841,76 | 40,08 | 2 |
| 2017 | 15 | 553,53 | 36,90 | 2 |
| 2018 | 15 | 562,31 | 37,49 | 3 |
| 2019 | 35 | 1.158,13 | 33,09 | 3 |
| 2020 | 31 | 1.033,58 | 33,34 | 3 |
| 2021 | 31 | 1.206,79 | 38,93 | 3 |
| 2022 | 38 | 1.748,08 | 46,00 | 4 |
| 2023 | 212 | 5.556,48 | 26,21 | 4 |
| 2024 | 214 | 5.498,60 | 25,69 | 4 |
| totale | 908 | 27.305,08 | 30,07 | 46 |