| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 117 | 4.436,23 | 37,92 | 2 |
| 2007 | 48 | 3.762,92 | 78,39 | 1 |
| 2008 | 56 | 3.352,22 | 59,86 | 1 |
| 2009 | 64 | 3.236,25 | 50,57 | 2 |
| 2010 | 67 | 2.923,59 | 43,64 | 2 |
| 2011 | 48 | 2.416,54 | 50,34 | 1 |
| 2012 | 75 | 2.937,35 | 39,16 | 2 |
| 2013 | 71 | 2.549,72 | 35,91 | 2 |
| 2014 | 59 | 2.719,99 | 46,10 | 2 |
| 2015 | 70 | 3.494,49 | 49,92 | 2 |
| 2016 | 69 | 2.941,27 | 42,63 | 2 |
| 2017 | 62 | 3.109,41 | 50,15 | 2 |
| 2018 | 57 | 2.644,66 | 46,40 | 3 |
| 2019 | 59 | 2.737,56 | 46,40 | 3 |
| 2020 | 60 | 2.892,56 | 48,21 | 2 |
| 2021 | 51 | 1.850,14 | 36,28 | 2 |
| 2022 | 53 | 2.916,64 | 55,03 | 3 |
| 2023 | 56 | 3.003,74 | 53,64 | 3 |
| 2024 | 56 | 2.766,50 | 49,40 | 4 |
| totale | 1.198 | 56.691,78 | 47,32 | 41 |