| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 174 | 4.268,70 | 24,53 | 1 |
| 2007 | 51 | 1.060,37 | 20,79 | 1 |
| 2008 | 82 | 2.032,14 | 24,78 | 1 |
| 2009 | 157 | 4.161,12 | 26,50 | 3 |
| 2010 | 213 | 5.334,31 | 25,04 | 4 |
| 2011 | 247 | 5.501,40 | 22,27 | 2 |
| 2012 | 317 | 7.186,26 | 22,67 | 4 |
| 2013 | 361 | 7.610,23 | 21,08 | 4 |
| 2014 | 316 | 9.822,27 | 31,08 | 3 |
| 2015 | 410 | 12.341,47 | 30,10 | 4 |
| 2016 | 448 | 13.673,18 | 30,52 | 4 |
| 2017 | 424 | 12.677,10 | 29,90 | 4 |
| 2018 | 405 | 11.069,94 | 27,33 | 4 |
| 2019 | 446 | 13.004,20 | 29,16 | 4 |
| 2020 | 395 | 11.924,51 | 30,19 | 3 |
| 2021 | 380 | 11.743,52 | 30,90 | 3 |
| 2022 | 362 | 12.327,88 | 34,05 | 3 |
| 2023 | 368 | 12.352,50 | 33,57 | 3 |
| 2024 | 361 | 11.507,95 | 31,88 | 3 |
| totale | 5.917 | 169.599,05 | 28,66 | 58 |