| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 2.416,52 | 16,67 | 2 |
| 2007 | 122 | 2.802,61 | 22,97 | 1 |
| 2008 | 82 | 2.055,43 | 25,07 | 1 |
| 2009 | 45 | 1.127,56 | 25,06 | 2 |
| 2010 | 14 | 126,23 | 9,02 | 1 |
| 2011 | 21 | 436,90 | 20,80 | 1 |
| 2012 | 50 | 640,81 | 12,82 | 2 |
| 2013 | 20 | 310,53 | 15,53 | 2 |
| 2014 | 31 | 703,09 | 22,68 | 2 |
| 2015 | 18 | 467,56 | 25,98 | 2 |
| 2016 | 22 | 531,41 | 24,16 | 3 |
| 2017 | 24 | 658,81 | 27,45 | 2 |
| 2018 | 15 | 313,94 | 20,93 | 3 |
| 2019 | 15 | 274,06 | 18,27 | 3 |
| 2020 | 10 | 146,39 | 14,64 | 3 |
| 2021 | 9 | 83,16 | 9,24 | 3 |
| 2022 | 12 | 140,83 | 11,74 | 3 |
| 2023 | 184 | 3.049,30 | 16,57 | 4 |
| 2024 | 15 | 302,80 | 20,19 | 4 |
| totale | 854 | 16.587,94 | 19,42 | 44 |