| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 253 | 5.404,23 | 21,36 | 2 |
| 2007 | 200 | 5.437,94 | 27,19 | 1 |
| 2008 | 124 | 3.573,33 | 28,82 | 1 |
| 2009 | 123 | 2.431,03 | 19,76 | 2 |
| 2010 | 98 | 1.899,18 | 19,38 | 2 |
| 2011 | 5 | 155,16 | 31,03 | 1 |
| 2012 | 11 | 335,27 | 30,48 | 2 |
| 2013 | 23 | 432,14 | 18,79 | 2 |
| 2014 | 37 | 1.083,87 | 29,29 | 3 |
| 2015 | 9 | 306,43 | 34,05 | 1 |
| 2016 | 40 | 1.448,75 | 36,22 | 2 |
| 2017 | 36 | 1.306,67 | 36,30 | 2 |
| 2018 | 23 | 569,36 | 24,75 | 2 |
| 2019 | 22 | 492,88 | 22,40 | 2 |
| 2020 | 19 | 483,79 | 25,46 | 2 |
| 2021 | 30 | 596,95 | 19,90 | 2 |
| 2022 | 22 | 415,16 | 18,87 | 2 |
| 2023 | 18 | 410,07 | 22,78 | 2 |
| 2024 | 22 | 773,07 | 35,14 | 3 |
| totale | 1.115 | 27.555,28 | 24,71 | 36 |