| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 765 | 17.842,34 | 23,32 | 3 |
| 2007 | 654 | 17.298,83 | 26,45 | 2 |
| 2008 | 576 | 16.401,95 | 28,48 | 2 |
| 2009 | 555 | 16.834,54 | 30,33 | 4 |
| 2010 | 527 | 12.967,15 | 24,61 | 4 |
| 2011 | 531 | 12.294,66 | 23,15 | 2 |
| 2012 | 492 | 12.823,02 | 26,06 | 4 |
| 2013 | 553 | 12.327,85 | 22,29 | 4 |
| 2014 | 545 | 16.734,66 | 30,71 | 5 |
| 2015 | 523 | 15.786,05 | 30,18 | 5 |
| 2016 | 560 | 17.853,61 | 31,88 | 5 |
| 2017 | 590 | 19.323,16 | 32,75 | 5 |
| 2018 | 584 | 19.651,89 | 33,65 | 5 |
| 2019 | 604 | 20.206,60 | 33,45 | 5 |
| 2020 | 567 | 18.636,93 | 32,87 | 5 |
| 2021 | 562 | 18.210,34 | 32,40 | 6 |
| 2022 | 511 | 16.759,78 | 32,80 | 5 |
| 2023 | 503 | 15.791,72 | 31,40 | 6 |
| 2024 | 527 | 16.480,95 | 31,27 | 6 |
| totale | 10.729 | 314.226,03 | 29,29 | 83 |