| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 273 | 4.748,43 | 17,39 | 1 |
| 2009 | 149 | 2.833,69 | 19,02 | 1 |
| 2010 | 92 | 1.599,61 | 17,39 | 1 |
| 2012 | 174 | 2.611,74 | 15,01 | 1 |
| 2013 | 95 | 1.337,58 | 14,08 | 1 |
| 2014 | 53 | 1.162,52 | 21,93 | 1 |
| 2015 | 38 | 1.034,67 | 27,23 | 1 |
| 2016 | 45 | 1.178,56 | 26,19 | 1 |
| 2017 | 32 | 958,39 | 29,95 | 1 |
| 2018 | 25 | 673,74 | 26,95 | 1 |
| 2019 | 23 | 567,73 | 24,68 | 1 |
| 2020 | 17 | 390,25 | 22,96 | 1 |
| 2021 | 17 | 451,31 | 26,55 | 1 |
| 2022 | 18 | 706,35 | 39,24 | 1 |
| 2023 | 16 | 484,70 | 30,29 | 1 |
| 2024 | 28 | 1.617,36 | 57,76 | 3 |
| totale | 1.095 | 22.356,63 | 20,42 | 18 |