| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 131 | 2.920,99 | 22,30 | 1 |
| 2007 | 18 | 466,92 | 25,94 | 1 |
| 2008 | 25 | 544,78 | 21,79 | 1 |
| 2009 | 44 | 1.017,30 | 23,12 | 2 |
| 2010 | 42 | 1.295,48 | 30,84 | 2 |
| 2011 | 17 | 557,84 | 32,81 | 1 |
| 2012 | 46 | 1.053,08 | 22,89 | 2 |
| 2013 | 10 | 193,94 | 19,39 | 1 |
| 2014 | 56 | 1.716,73 | 30,66 | 2 |
| 2015 | 56 | 1.708,95 | 30,52 | 2 |
| 2016 | 46 | 1.698,93 | 36,93 | 3 |
| 2017 | 58 | 1.996,46 | 34,42 | 3 |
| 2018 | 67 | 2.270,29 | 33,88 | 2 |
| 2019 | 9 | 266,47 | 29,61 | 1 |
| 2020 | 7 | 203,51 | 29,07 | 1 |
| 2021 | 54 | 1.834,19 | 33,97 | 2 |
| 2022 | 53 | 1.816,31 | 34,27 | 2 |
| 2023 | 56 | 1.587,18 | 28,34 | 2 |
| 2024 | 56 | 1.726,87 | 30,84 | 2 |
| totale | 851 | 24.876,22 | 29,23 | 33 |