| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.400 | 28.538,24 | 20,38 | 5 |
| 2007 | 938 | 20.128,74 | 21,46 | 5 |
| 2008 | 894 | 19.217,96 | 21,50 | 4 |
| 2009 | 1.035 | 18.865,04 | 18,23 | 3 |
| 2010 | 957 | 14.558,22 | 15,21 | 5 |
| 2011 | 744 | 12.846,34 | 17,27 | 4 |
| 2012 | 968 | 13.886,65 | 14,35 | 6 |
| 2013 | 1.041 | 15.664,51 | 15,05 | 6 |
| 2014 | 826 | 14.101,18 | 17,07 | 5 |
| 2015 | 491 | 7.163,86 | 14,59 | 2 |
| 2016 | 489 | 7.724,31 | 15,80 | 3 |
| 2017 | 518 | 7.906,02 | 15,26 | 3 |
| 2018 | 883 | 14.005,96 | 15,86 | 5 |
| 2019 | 627 | 9.610,43 | 15,33 | 5 |
| 2020 | 656 | 9.771,66 | 14,90 | 5 |
| 2021 | 626 | 9.275,21 | 14,82 | 5 |
| 2022 | 583 | 9.572,28 | 16,42 | 4 |
| 2023 | 568 | 9.164,22 | 16,13 | 4 |
| 2024 | 653 | 9.003,67 | 13,79 | 7 |
| totale | 14.897 | 251.004,50 | 16,85 | 86 |