| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 157 | 2.709,46 | 17,26 | 2 |
| 2007 | 26 | 388,25 | 14,93 | 1 |
| 2008 | 17 | 283,43 | 16,67 | 2 |
| 2009 | 51 | 1.005,89 | 19,72 | 3 |
| 2010 | 97 | 1.570,62 | 16,19 | 3 |
| 2011 | 83 | 3.377,71 | 40,70 | 1 |
| 2012 | 186 | 4.552,18 | 24,47 | 2 |
| 2013 | 228 | 6.240,65 | 27,37 | 3 |
| 2014 | 227 | 4.969,51 | 21,89 | 3 |
| 2015 | 250 | 5.548,49 | 22,19 | 4 |
| 2016 | 355 | 8.690,38 | 24,48 | 4 |
| 2017 | 316 | 7.614,91 | 24,10 | 4 |
| 2018 | 297 | 8.131,36 | 27,38 | 5 |
| 2019 | 303 | 8.275,01 | 27,31 | 5 |
| 2020 | 383 | 10.470,46 | 27,34 | 5 |
| 2021 | 389 | 9.369,18 | 24,09 | 5 |
| 2022 | 420 | 9.548,11 | 22,73 | 4 |
| 2023 | 449 | 9.711,57 | 21,63 | 4 |
| 2024 | 460 | 9.608,62 | 20,89 | 4 |
| totale | 4.694 | 112.065,79 | 23,87 | 64 |