| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 514 | 13.163,91 | 25,61 | 4 |
| 2007 | 520 | 14.654,33 | 28,18 | 3 |
| 2008 | 559 | 17.440,13 | 31,20 | 3 |
| 2009 | 609 | 17.102,52 | 28,08 | 4 |
| 2010 | 651 | 15.903,14 | 24,43 | 4 |
| 2011 | 647 | 15.582,74 | 24,08 | 3 |
| 2012 | 729 | 18.870,64 | 25,89 | 4 |
| 2013 | 705 | 18.332,47 | 26,00 | 4 |
| 2014 | 599 | 19.927,70 | 33,27 | 5 |
| 2015 | 542 | 17.260,51 | 31,85 | 5 |
| 2016 | 492 | 16.840,35 | 34,23 | 5 |
| 2017 | 499 | 14.519,06 | 29,10 | 4 |
| 2018 | 490 | 14.855,32 | 30,32 | 4 |
| 2019 | 487 | 14.470,52 | 29,71 | 4 |
| 2020 | 554 | 17.195,80 | 31,04 | 5 |
| 2021 | 509 | 15.789,79 | 31,02 | 5 |
| 2022 | 479 | 15.868,18 | 33,13 | 5 |
| 2023 | 485 | 14.840,84 | 30,60 | 4 |
| 2024 | 514 | 14.215,96 | 27,66 | 4 |
| totale | 10.584 | 306.833,91 | 28,99 | 79 |