| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 42 | 732,22 | 17,43 | 1 |
| 2007 | 294 | 5.928,46 | 20,16 | 1 |
| 2008 | 346 | 7.220,26 | 20,87 | 1 |
| 2009 | 521 | 12.028,43 | 23,09 | 2 |
| 2010 | 532 | 9.286,01 | 17,45 | 2 |
| 2011 | 573 | 9.842,63 | 17,18 | 1 |
| 2012 | 707 | 14.616,05 | 20,67 | 4 |
| 2013 | 706 | 14.071,47 | 19,93 | 4 |
| 2014 | 845 | 19.808,64 | 23,44 | 4 |
| 2015 | 692 | 15.700,15 | 22,69 | 4 |
| 2016 | 15 | 316,99 | 21,13 | 2 |
| 2017 | 933 | 17.960,68 | 19,25 | 3 |
| 2018 | 864 | 16.501,17 | 19,10 | 3 |
| 2019 | 654 | 13.672,36 | 20,91 | 3 |
| 2020 | 574 | 12.471,55 | 21,73 | 2 |
| 2021 | 509 | 10.820,93 | 21,26 | 2 |
| 2022 | 104 | 2.572,23 | 24,73 | 2 |
| 2023 | 79 | 1.916,17 | 24,26 | 2 |
| 2024 | 15 | 865,26 | 57,68 | 1 |
| totale | 9.005 | 186.331,66 | 20,69 | 44 |