| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 488 | 9.012,68 | 18,47 | 2 |
| 2007 | 19 | 416,18 | 21,90 | 1 |
| 2008 | 26 | 597,38 | 22,98 | 1 |
| 2009 | 156 | 3.836,29 | 24,59 | 3 |
| 2010 | 124 | 2.860,74 | 23,07 | 4 |
| 2011 | 28 | 565,99 | 20,21 | 2 |
| 2012 | 256 | 7.025,68 | 27,44 | 4 |
| 2013 | 223 | 6.273,76 | 28,13 | 4 |
| 2014 | 415 | 10.656,40 | 25,68 | 4 |
| 2015 | 506 | 12.576,86 | 24,86 | 4 |
| 2016 | 475 | 11.820,43 | 24,89 | 4 |
| 2017 | 515 | 13.664,71 | 26,53 | 6 |
| 2018 | 678 | 17.812,30 | 26,27 | 6 |
| 2019 | 750 | 19.482,53 | 25,98 | 7 |
| 2020 | 754 | 20.653,16 | 27,39 | 8 |
| 2021 | 773 | 20.382,56 | 26,37 | 12 |
| 2022 | 792 | 20.796,26 | 26,26 | 13 |
| 2023 | 754 | 20.133,64 | 26,70 | 14 |
| 2024 | 882 | 22.618,47 | 25,64 | 17 |
| totale | 8.614 | 221.186,02 | 25,68 | 116 |