| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 649,96 | 13,54 | 1 |
| 2009 | 27 | 343,06 | 12,71 | 1 |
| 2010 | 5 | 126,09 | 25,22 | 1 |
| 2012 | 20 | 254,24 | 12,71 | 2 |
| 2013 | 91 | 1.585,03 | 17,42 | 3 |
| 2014 | 95 | 2.147,46 | 22,60 | 4 |
| 2015 | 88 | 2.301,82 | 26,16 | 4 |
| 2016 | 119 | 2.969,63 | 24,95 | 2 |
| 2017 | 115 | 2.582,44 | 22,46 | 2 |
| 2018 | 73 | 1.757,75 | 24,08 | 3 |
| 2019 | 46 | 1.252,07 | 27,22 | 3 |
| 2020 | 45 | 1.562,09 | 34,71 | 4 |
| 2021 | 47 | 1.517,52 | 32,29 | 2 |
| 2022 | 37 | 1.053,41 | 28,47 | 2 |
| 2023 | 27 | 924,87 | 34,25 | 2 |
| 2024 | 25 | 737,02 | 29,48 | 2 |
| totale | 908 | 21.764,46 | 23,97 | 38 |