| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 206 | 3.167,23 | 15,37 | 3 |
| 2007 | 33 | 795,35 | 24,10 | 2 |
| 2008 | 33 | 1.292,33 | 39,16 | 2 |
| 2009 | 45 | 1.231,25 | 27,36 | 3 |
| 2010 | 57 | 1.489,14 | 26,13 | 3 |
| 2011 | 20 | 533,68 | 26,68 | 1 |
| 2012 | 53 | 818,58 | 15,44 | 2 |
| 2013 | 81 | 1.663,03 | 20,53 | 4 |
| 2014 | 70 | 1.917,48 | 27,39 | 3 |
| 2015 | 119 | 5.800,80 | 48,75 | 3 |
| 2016 | 95 | 4.187,48 | 44,08 | 3 |
| 2017 | 95 | 4.082,22 | 42,97 | 3 |
| 2018 | 86 | 3.636,67 | 42,29 | 3 |
| 2019 | 80 | 3.268,29 | 40,85 | 3 |
| 2020 | 71 | 3.459,42 | 48,72 | 3 |
| 2021 | 27 | 591,46 | 21,91 | 2 |
| 2022 | 21 | 387,00 | 18,43 | 2 |
| 2023 | 17 | 368,16 | 21,66 | 3 |
| 2024 | 27 | 801,10 | 29,67 | 3 |
| totale | 1.236 | 39.490,67 | 31,95 | 51 |