| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 36 | 1.999,19 | 55,53 | 2 |
| 2007 | 41 | 1.312,35 | 32,01 | 1 |
| 2008 | 61 | 3.275,08 | 53,69 | 1 |
| 2009 | 51 | 2.376,16 | 46,59 | 2 |
| 2010 | 62 | 2.456,29 | 39,62 | 2 |
| 2011 | 36 | 1.753,41 | 48,71 | 1 |
| 2012 | 25 | 1.328,20 | 53,13 | 2 |
| 2013 | 57 | 1.915,37 | 33,60 | 3 |
| 2014 | 45 | 1.693,42 | 37,63 | 3 |
| 2015 | 32 | 995,60 | 31,11 | 3 |
| 2016 | 49 | 1.632,17 | 33,31 | 3 |
| 2017 | 36 | 857,96 | 23,83 | 3 |
| 2018 | 35 | 732,16 | 20,92 | 3 |
| 2019 | 47 | 1.091,19 | 23,22 | 3 |
| 2020 | 31 | 707,66 | 22,83 | 3 |
| 2021 | 31 | 696,32 | 22,46 | 4 |
| 2022 | 32 | 714,20 | 22,32 | 4 |
| 2023 | 21 | 448,34 | 21,35 | 4 |
| 2024 | 31 | 784,45 | 25,30 | 5 |
| totale | 759 | 26.769,52 | 35,27 | 52 |