| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 25 | 700,22 | 28,01 | 1 |
| 2008 | 29 | 519,17 | 17,90 | 1 |
| 2009 | 87 | 957,66 | 11,01 | 2 |
| 2010 | 85 | 892,37 | 10,50 | 2 |
| 2011 | 14 | 150,02 | 10,72 | 1 |
| 2012 | 26 | 308,42 | 11,86 | 2 |
| 2013 | 21 | 228,50 | 10,88 | 2 |
| 2014 | 6 | 55,45 | 9,24 | 1 |
| 2015 | 6 | 73,58 | 12,26 | 1 |
| 2016 | 11 | 280,84 | 25,53 | 1 |
| 2017 | 13 | 393,49 | 30,27 | 1 |
| 2018 | 12 | 317,30 | 26,44 | 1 |
| 2019 | 9 | 197,20 | 21,91 | 1 |
| 2020 | 9 | 272,92 | 30,32 | 1 |
| 2021 | 10 | 356,23 | 35,62 | 1 |
| 2022 | 11 | 420,83 | 38,26 | 2 |
| 2023 | 10 | 403,50 | 40,35 | 3 |
| 2024 | 23 | 549,09 | 23,87 | 4 |
| totale | 407 | 7.076,79 | 17,39 | 28 |