| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2009 | 45 | 734,51 | 16,32 | 1 |
| 2010 | 147 | 2.888,45 | 19,65 | 2 |
| 2011 | 161 | 5.157,74 | 32,04 | 1 |
| 2012 | 295 | 7.945,93 | 26,94 | 3 |
| 2013 | 360 | 7.391,06 | 20,53 | 3 |
| 2014 | 451 | 12.139,42 | 26,92 | 7 |
| 2015 | 470 | 11.583,19 | 24,65 | 7 |
| 2016 | 530 | 14.439,13 | 27,24 | 7 |
| 2017 | 620 | 17.131,11 | 27,63 | 9 |
| 2018 | 626 | 16.394,35 | 26,19 | 10 |
| 2019 | 614 | 18.797,75 | 30,62 | 10 |
| 2020 | 561 | 16.534,04 | 29,47 | 10 |
| 2021 | 540 | 15.797,39 | 29,25 | 10 |
| 2022 | 555 | 15.324,86 | 27,61 | 10 |
| 2023 | 536 | 15.934,29 | 29,73 | 10 |
| 2024 | 563 | 14.729,55 | 26,16 | 11 |
| totale | 7.074 | 192.922,77 | 27,27 | 111 |