| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 522 | 12.929,40 | 24,77 | 6 |
| 2007 | 288 | 7.794,85 | 27,07 | 4 |
| 2008 | 331 | 9.123,48 | 27,56 | 4 |
| 2009 | 322 | 10.426,10 | 32,38 | 5 |
| 2010 | 426 | 10.361,51 | 24,32 | 6 |
| 2011 | 339 | 9.429,86 | 27,82 | 5 |
| 2012 | 491 | 13.115,46 | 26,71 | 7 |
| 2013 | 532 | 12.594,26 | 23,67 | 8 |
| 2014 | 647 | 17.894,22 | 27,66 | 8 |
| 2015 | 614 | 18.470,78 | 30,08 | 8 |
| 2016 | 656 | 23.806,51 | 36,29 | 7 |
| 2017 | 685 | 22.052,06 | 32,19 | 7 |
| 2018 | 617 | 20.293,21 | 32,89 | 7 |
| 2019 | 601 | 20.259,03 | 33,71 | 6 |
| 2020 | 609 | 21.889,31 | 35,94 | 6 |
| 2021 | 533 | 18.297,79 | 34,33 | 5 |
| 2022 | 202 | 5.819,21 | 28,81 | 4 |
| 2023 | 202 | 6.181,89 | 30,60 | 4 |
| 2024 | 194 | 5.703,32 | 29,40 | 4 |
| totale | 8.811 | 266.442,25 | 30,24 | 111 |