| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 65 | 771,79 | 11,87 | 1 |
| 2007 | 80 | 1.411,35 | 17,64 | 1 |
| 2008 | 119 | 2.369,05 | 19,91 | 1 |
| 2009 | 12 | 171,11 | 14,26 | 1 |
| 2010 | 274 | 4.810,33 | 17,56 | 3 |
| 2011 | 59 | 1.062,59 | 18,01 | 1 |
| 2012 | 136 | 2.476,86 | 18,21 | 3 |
| 2013 | 54 | 1.247,91 | 23,11 | 2 |
| 2014 | 63 | 1.106,58 | 17,56 | 2 |
| 2015 | 85 | 1.833,11 | 21,57 | 3 |
| 2016 | 34 | 835,77 | 24,58 | 2 |
| 2017 | 67 | 1.492,40 | 22,27 | 3 |
| 2018 | 52 | 1.248,30 | 24,01 | 3 |
| 2019 | 49 | 1.236,06 | 25,23 | 3 |
| 2020 | 47 | 1.268,52 | 26,99 | 3 |
| 2021 | 37 | 1.122,50 | 30,34 | 3 |
| 2022 | 36 | 1.101,32 | 30,59 | 3 |
| 2023 | 22 | 918,05 | 41,73 | 3 |
| 2024 | 23 | 768,93 | 33,43 | 3 |
| totale | 1.314 | 27.252,53 | 20,74 | 44 |