| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 1.311,15 | 20,49 | 1 |
| 2008 | 223 | 6.826,31 | 30,61 | 1 |
| 2009 | 341 | 8.633,65 | 25,32 | 2 |
| 2010 | 382 | 10.078,85 | 26,38 | 2 |
| 2011 | 930 | 20.075,49 | 21,59 | 1 |
| 2012 | 11 | 167,83 | 15,26 | 1 |
| 2013 | 211 | 4.441,05 | 21,05 | 2 |
| 2014 | 13 | 162,21 | 12,48 | 1 |
| 2015 | 14 | 195,81 | 13,99 | 1 |
| 2016 | 29 | 650,82 | 22,44 | 2 |
| 2017 | 36 | 1.031,88 | 28,66 | 2 |
| 2018 | 45 | 789,49 | 17,54 | 3 |
| 2019 | 64 | 1.303,02 | 20,36 | 3 |
| 2020 | 44 | 981,92 | 22,32 | 3 |
| 2021 | 41 | 665,79 | 16,24 | 4 |
| 2022 | 40 | 975,01 | 24,38 | 3 |
| 2023 | 47 | 694,17 | 14,77 | 5 |
| 2024 | 50 | 946,66 | 18,93 | 6 |
| totale | 2.585 | 59.931,11 | 23,18 | 43 |