| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 185 | 4.645,53 | 25,11 | 3 |
| 2007 | 49 | 1.351,08 | 27,57 | 3 |
| 2008 | 433 | 16.511,69 | 38,13 | 5 |
| 2009 | 491 | 18.272,39 | 37,21 | 7 |
| 2010 | 495 | 15.442,15 | 31,20 | 8 |
| 2011 | 386 | 10.105,60 | 26,18 | 4 |
| 2012 | 311 | 10.447,19 | 33,59 | 9 |
| 2013 | 491 | 14.111,38 | 28,74 | 9 |
| 2014 | 448 | 15.855,29 | 35,39 | 12 |
| 2015 | 335 | 13.255,57 | 39,57 | 11 |
| 2016 | 341 | 12.338,27 | 36,18 | 13 |
| 2017 | 374 | 12.915,07 | 34,53 | 15 |
| 2018 | 449 | 15.380,49 | 34,25 | 15 |
| 2019 | 486 | 16.172,84 | 33,28 | 15 |
| 2020 | 436 | 15.246,52 | 34,97 | 15 |
| 2021 | 450 | 15.375,93 | 34,17 | 15 |
| 2022 | 449 | 17.599,17 | 39,20 | 18 |
| 2023 | 446 | 18.873,07 | 42,32 | 16 |
| 2024 | 447 | 16.646,63 | 37,24 | 19 |
| totale | 7.502 | 260.545,86 | 34,73 | 212 |