| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10 | 104,01 | 10,40 | 1 |
| 2007 | 248 | 3.830,99 | 15,45 | 1 |
| 2008 | 230 | 4.083,39 | 17,75 | 1 |
| 2009 | 159 | 2.695,75 | 16,95 | 2 |
| 2010 | 61 | 985,71 | 16,16 | 2 |
| 2012 | 22 | 347,61 | 15,80 | 2 |
| 2013 | 52 | 561,12 | 10,79 | 2 |
| 2014 | 41 | 698,86 | 17,05 | 3 |
| 2015 | 37 | 688,49 | 18,61 | 2 |
| 2016 | 7 | 120,98 | 17,28 | 1 |
| 2017 | 29 | 561,01 | 19,35 | 2 |
| 2018 | 24 | 526,57 | 21,94 | 2 |
| 2019 | 21 | 435,58 | 20,74 | 2 |
| 2020 | 23 | 566,06 | 24,61 | 2 |
| 2021 | 44 | 893,90 | 20,32 | 3 |
| 2022 | 55 | 970,92 | 17,65 | 5 |
| 2023 | 52 | 847,86 | 16,31 | 5 |
| 2024 | 66 | 1.160,99 | 17,59 | 5 |
| totale | 1.181 | 20.079,80 | 17,00 | 43 |