| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 356 | 8.993,78 | 25,26 | 2 |
| 2007 | 133 | 4.011,48 | 30,16 | 1 |
| 2008 | 122 | 4.504,08 | 36,92 | 1 |
| 2009 | 158 | 4.353,10 | 27,55 | 3 |
| 2010 | 223 | 4.389,26 | 19,68 | 3 |
| 2011 | 315 | 6.173,78 | 19,60 | 2 |
| 2012 | 359 | 7.266,55 | 20,24 | 4 |
| 2013 | 430 | 8.161,20 | 18,98 | 4 |
| 2014 | 442 | 9.991,88 | 22,61 | 4 |
| 2015 | 443 | 10.376,13 | 23,42 | 4 |
| 2016 | 441 | 10.332,40 | 23,43 | 4 |
| 2017 | 432 | 10.081,07 | 23,34 | 4 |
| 2018 | 419 | 9.545,06 | 22,78 | 4 |
| 2019 | 423 | 10.290,85 | 24,33 | 4 |
| 2020 | 378 | 8.997,79 | 23,80 | 4 |
| 2021 | 354 | 8.608,83 | 24,32 | 4 |
| 2022 | 118 | 3.280,06 | 27,80 | 3 |
| 2023 | 148 | 4.341,83 | 29,34 | 3 |
| 2024 | 171 | 4.803,49 | 28,09 | 5 |
| totale | 5.865 | 138.502,62 | 23,62 | 63 |