| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 374 | 8.076,35 | 21,59 | 1 |
| 2007 | 8 | 212,75 | 26,59 | 1 |
| 2008 | 21 | 1.805,91 | 86,00 | 1 |
| 2009 | 111 | 3.825,20 | 34,46 | 2 |
| 2010 | 109 | 3.518,74 | 32,28 | 3 |
| 2011 | 30 | 1.659,21 | 55,31 | 1 |
| 2012 | 131 | 4.022,51 | 30,71 | 2 |
| 2013 | 215 | 3.730,66 | 17,35 | 2 |
| 2014 | 442 | 9.703,59 | 21,95 | 3 |
| 2015 | 513 | 11.444,82 | 22,31 | 4 |
| 2016 | 555 | 13.442,46 | 24,22 | 5 |
| 2017 | 586 | 13.782,01 | 23,52 | 5 |
| 2018 | 522 | 12.014,37 | 23,02 | 5 |
| 2019 | 494 | 11.634,09 | 23,55 | 5 |
| 2020 | 499 | 12.642,06 | 25,33 | 6 |
| 2021 | 495 | 12.251,80 | 24,75 | 5 |
| 2022 | 456 | 11.651,23 | 25,55 | 6 |
| 2023 | 441 | 10.930,59 | 24,79 | 5 |
| 2024 | 497 | 12.749,37 | 25,65 | 6 |
| totale | 6.499 | 159.097,72 | 24,48 | 68 |