| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 3.525,51 | 24,31 | 3 |
| 2008 | 34 | 1.207,32 | 35,51 | 1 |
| 2009 | 47 | 1.119,12 | 23,81 | 2 |
| 2010 | 67 | 1.789,26 | 26,71 | 2 |
| 2011 | 40 | 1.191,25 | 29,78 | 2 |
| 2012 | 51 | 1.696,78 | 33,27 | 2 |
| 2013 | 47 | 1.595,46 | 33,95 | 2 |
| 2014 | 102 | 3.657,72 | 35,86 | 3 |
| 2015 | 87 | 3.099,41 | 35,63 | 3 |
| 2016 | 54 | 1.964,41 | 36,38 | 2 |
| 2017 | 102 | 2.844,16 | 27,88 | 3 |
| 2018 | 90 | 2.786,77 | 30,96 | 3 |
| 2019 | 104 | 2.462,81 | 23,68 | 3 |
| 2020 | 90 | 2.480,10 | 27,56 | 4 |
| 2021 | 111 | 3.329,39 | 29,99 | 4 |
| 2022 | 120 | 3.246,85 | 27,06 | 4 |
| 2023 | 111 | 2.682,83 | 24,17 | 4 |
| 2024 | 98 | 2.578,95 | 26,32 | 3 |
| totale | 1.500 | 43.258,10 | 28,84 | 50 |