| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 140 | 2.169,76 | 15,50 | 2 |
| 2009 | 19 | 566,20 | 29,80 | 2 |
| 2010 | 11 | 269,79 | 24,53 | 1 |
| 2011 | 38 | 1.287,92 | 33,89 | 1 |
| 2012 | 4 | 96,02 | 24,01 | 1 |
| 2013 | 51 | 802,10 | 15,73 | 1 |
| 2014 | 20 | 372,74 | 18,64 | 1 |
| 2015 | 12 | 416,33 | 34,69 | 1 |
| 2016 | 9 | 233,22 | 25,91 | 1 |
| 2017 | 22 | 413,95 | 18,82 | 1 |
| 2018 | 13 | 305,77 | 23,52 | 1 |
| 2019 | 8 | 215,67 | 26,96 | 1 |
| 2020 | 67 | 1.280,71 | 19,12 | 2 |
| 2021 | 198 | 4.304,97 | 21,74 | 3 |
| 2022 | 311 | 8.341,70 | 26,82 | 4 |
| 2023 | 329 | 8.621,76 | 26,21 | 5 |
| 2024 | 456 | 11.335,93 | 24,86 | 8 |
| totale | 1.708 | 41.034,54 | 24,02 | 36 |