| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 67 | 1.339,33 | 19,99 | 3 |
| 2007 | 34 | 942,81 | 27,73 | 2 |
| 2008 | 31 | 772,11 | 24,91 | 2 |
| 2009 | 29 | 638,86 | 22,03 | 3 |
| 2010 | 41 | 587,34 | 14,33 | 3 |
| 2011 | 24 | 379,35 | 15,81 | 2 |
| 2012 | 10 | 203,46 | 20,35 | 3 |
| 2013 | 23 | 308,93 | 13,43 | 1 |
| 2014 | 22 | 390,39 | 17,75 | 2 |
| 2015 | 10 | 184,21 | 18,42 | 2 |
| 2016 | 8 | 120,86 | 15,11 | 1 |
| 2017 | 7 | 192,57 | 27,51 | 1 |
| 2018 | 6 | 109,85 | 18,31 | 1 |
| 2019 | 4 | 179,23 | 44,81 | 1 |
| 2020 | 5 | 65,14 | 13,03 | 1 |
| 2021 | 3 | 25,74 | 8,58 | 1 |
| 2022 | 20 | 258,57 | 12,93 | 2 |
| 2023 | 10 | 61,10 | 6,11 | 2 |
| 2024 | 39 | 489,25 | 12,54 | 3 |
| totale | 393 | 7.249,10 | 18,45 | 36 |