| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 759,78 | 33,03 | 3 |
| 2007 | 15 | 512,84 | 34,19 | 1 |
| 2009 | 25 | 638,54 | 25,54 | 2 |
| 2010 | 20 | 545,67 | 27,28 | 2 |
| 2011 | 16 | 381,62 | 23,85 | 1 |
| 2012 | 21 | 597,99 | 28,48 | 2 |
| 2013 | 6 | 121,86 | 20,31 | 1 |
| 2014 | 13 | 517,51 | 39,81 | 2 |
| 2015 | 11 | 530,25 | 48,20 | 2 |
| 2016 | 17 | 712,69 | 41,92 | 2 |
| 2017 | 13 | 401,64 | 30,90 | 2 |
| 2018 | 10 | 281,13 | 28,11 | 2 |
| 2019 | 9 | 243,85 | 27,09 | 2 |
| 2020 | 9 | 206,65 | 22,96 | 2 |
| 2021 | 6 | 207,88 | 34,65 | 3 |
| 2022 | 8 | 271,68 | 33,96 | 3 |
| 2023 | 20 | 494,39 | 24,72 | 3 |
| 2024 | 17 | 393,18 | 23,13 | 3 |
| totale | 259 | 7.819,15 | 30,19 | 38 |