| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 30 | 383,80 | 12,79 | 2 |
| 2008 | 13 | 392,70 | 30,21 | 1 |
| 2009 | 11 | 322,40 | 29,31 | 2 |
| 2010 | 23 | 634,27 | 27,58 | 2 |
| 2011 | 20 | 449,14 | 22,46 | 1 |
| 2012 | 85 | 916,89 | 10,79 | 2 |
| 2013 | 8 | 193,16 | 24,15 | 1 |
| 2014 | 38 | 721,14 | 18,98 | 2 |
| 2015 | 37 | 737,22 | 19,92 | 2 |
| 2016 | 65 | 963,17 | 14,82 | 3 |
| 2017 | 63 | 1.114,99 | 17,70 | 3 |
| 2018 | 49 | 984,64 | 20,09 | 3 |
| 2019 | 29 | 592,52 | 20,43 | 2 |
| 2020 | 43 | 812,76 | 18,90 | 3 |
| 2021 | 23 | 397,75 | 17,29 | 2 |
| 2022 | 24 | 529,53 | 22,06 | 2 |
| 2023 | 25 | 523,70 | 20,95 | 2 |
| 2024 | 23 | 441,17 | 19,18 | 2 |
| totale | 609 | 11.110,95 | 18,24 | 37 |