| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 375 | 10.149,17 | 27,06 | 3 |
| 2007 | 363 | 11.062,26 | 30,47 | 4 |
| 2008 | 473 | 14.267,87 | 30,16 | 6 |
| 2009 | 517 | 15.158,80 | 29,32 | 7 |
| 2010 | 386 | 9.250,69 | 23,97 | 5 |
| 2011 | 385 | 9.209,82 | 23,92 | 5 |
| 2012 | 468 | 12.766,81 | 27,28 | 6 |
| 2013 | 610 | 14.765,11 | 24,21 | 8 |
| 2014 | 599 | 18.410,46 | 30,74 | 8 |
| 2015 | 515 | 16.635,39 | 32,30 | 7 |
| 2016 | 583 | 18.724,64 | 32,12 | 7 |
| 2017 | 557 | 17.298,31 | 31,06 | 7 |
| 2018 | 540 | 18.053,50 | 33,43 | 7 |
| 2019 | 484 | 14.952,02 | 30,89 | 6 |
| 2020 | 467 | 15.602,22 | 33,41 | 6 |
| 2021 | 423 | 13.801,20 | 32,63 | 7 |
| 2022 | 318 | 10.700,86 | 33,65 | 6 |
| 2023 | 317 | 11.514,32 | 36,32 | 7 |
| 2024 | 355 | 11.382,31 | 32,06 | 6 |
| totale | 8.735 | 263.705,76 | 30,19 | 118 |