| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 149 | 2.434,46 | 16,34 | 1 |
| 2009 | 22 | 393,18 | 17,87 | 1 |
| 2010 | 26 | 366,20 | 14,08 | 1 |
| 2012 | 27 | 518,85 | 19,22 | 2 |
| 2013 | 26 | 499,54 | 19,21 | 2 |
| 2014 | 19 | 429,29 | 22,59 | 1 |
| 2015 | 27 | 589,95 | 21,85 | 2 |
| 2016 | 29 | 690,08 | 23,80 | 1 |
| 2017 | 26 | 900,95 | 34,65 | 2 |
| 2018 | 27 | 653,17 | 24,19 | 2 |
| 2019 | 22 | 694,87 | 31,59 | 2 |
| 2020 | 27 | 802,59 | 29,73 | 2 |
| 2021 | 25 | 663,06 | 26,52 | 3 |
| 2022 | 28 | 768,23 | 27,44 | 3 |
| 2023 | 32 | 991,84 | 31,00 | 3 |
| 2024 | 40 | 1.121,67 | 28,04 | 3 |
| totale | 552 | 12.517,93 | 22,68 | 31 |