| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 216 | 4.586,02 | 21,23 | 1 |
| 2009 | 23 | 744,50 | 32,37 | 1 |
| 2010 | 20 | 602,32 | 30,12 | 1 |
| 2012 | 38 | 955,81 | 25,15 | 1 |
| 2013 | 37 | 862,04 | 23,30 | 1 |
| 2014 | 39 | 1.234,25 | 31,65 | 1 |
| 2015 | 47 | 1.684,56 | 35,84 | 1 |
| 2016 | 59 | 2.260,15 | 38,31 | 2 |
| 2017 | 73 | 2.582,30 | 35,37 | 2 |
| 2018 | 71 | 2.566,79 | 36,15 | 2 |
| 2019 | 74 | 2.513,37 | 33,96 | 2 |
| 2020 | 77 | 2.548,82 | 33,10 | 2 |
| 2021 | 66 | 2.268,85 | 34,38 | 2 |
| 2022 | 59 | 2.112,71 | 35,81 | 2 |
| 2023 | 75 | 2.447,32 | 32,63 | 2 |
| 2024 | 61 | 2.462,51 | 40,37 | 2 |
| totale | 1.035 | 32.432,32 | 31,34 | 25 |