| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 55 | 877,11 | 15,95 | 2 |
| 2007 | 466 | 8.641,52 | 18,54 | 3 |
| 2008 | 545 | 10.416,48 | 19,11 | 4 |
| 2009 | 200 | 3.811,25 | 19,06 | 3 |
| 2010 | 929 | 13.173,32 | 14,18 | 5 |
| 2011 | 937 | 13.545,85 | 14,46 | 4 |
| 2012 | 1.066 | 16.210,48 | 15,21 | 5 |
| 2013 | 1.060 | 14.520,30 | 13,70 | 5 |
| 2014 | 947 | 17.134,79 | 18,09 | 5 |
| 2015 | 587 | 12.249,35 | 20,87 | 5 |
| 2016 | 610 | 12.847,47 | 21,06 | 6 |
| 2017 | 611 | 12.869,73 | 21,06 | 6 |
| 2018 | 495 | 10.520,36 | 21,25 | 6 |
| 2019 | 487 | 10.818,71 | 22,22 | 6 |
| 2020 | 399 | 9.587,47 | 24,03 | 6 |
| 2021 | 379 | 9.666,06 | 25,50 | 6 |
| 2022 | 115 | 2.525,61 | 21,96 | 5 |
| 2023 | 121 | 2.499,29 | 20,66 | 5 |
| 2024 | 128 | 2.488,31 | 19,44 | 6 |
| totale | 10.137 | 184.403,46 | 18,19 | 93 |