| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 140 | 4.109,69 | 29,35 | 3 |
| 2007 | 55 | 2.151,22 | 39,11 | 2 |
| 2008 | 40 | 1.481,55 | 37,04 | 1 |
| 2009 | 41 | 1.474,96 | 35,97 | 2 |
| 2010 | 56 | 1.252,45 | 22,37 | 2 |
| 2012 | 55 | 1.220,27 | 22,19 | 3 |
| 2013 | 50 | 1.079,84 | 21,60 | 2 |
| 2014 | 50 | 1.291,26 | 25,83 | 2 |
| 2015 | 44 | 1.002,72 | 22,79 | 1 |
| 2016 | 46 | 1.281,16 | 27,85 | 1 |
| 2017 | 58 | 1.588,04 | 27,38 | 1 |
| 2018 | 75 | 1.906,42 | 25,42 | 2 |
| 2019 | 66 | 1.796,65 | 27,22 | 2 |
| 2020 | 103 | 2.359,17 | 22,90 | 3 |
| 2021 | 85 | 2.319,96 | 27,29 | 3 |
| 2022 | 61 | 1.610,08 | 26,39 | 2 |
| 2023 | 63 | 1.856,86 | 29,47 | 2 |
| 2024 | 56 | 1.239,31 | 22,13 | 2 |
| totale | 1.144 | 31.021,61 | 27,12 | 36 |