| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 46 | 759,11 | 16,50 | 1 |
| 2007 | 178 | 3.280,46 | 18,43 | 1 |
| 2008 | 243 | 4.949,38 | 20,37 | 1 |
| 2009 | 160 | 3.585,37 | 22,41 | 2 |
| 2010 | 222 | 4.545,13 | 20,47 | 3 |
| 2011 | 226 | 3.077,14 | 13,62 | 1 |
| 2012 | 115 | 1.895,91 | 16,49 | 2 |
| 2013 | 124 | 2.171,08 | 17,51 | 2 |
| 2014 | 203 | 5.005,26 | 24,66 | 3 |
| 2015 | 117 | 2.732,00 | 23,35 | 3 |
| 2016 | 105 | 2.858,00 | 27,22 | 3 |
| 2017 | 188 | 3.961,93 | 21,07 | 3 |
| 2018 | 157 | 3.246,85 | 20,68 | 4 |
| 2019 | 180 | 3.914,13 | 21,75 | 4 |
| 2020 | 667 | 16.706,43 | 25,05 | 7 |
| 2021 | 582 | 15.905,95 | 27,33 | 9 |
| 2022 | 543 | 14.571,40 | 26,83 | 9 |
| 2023 | 617 | 15.802,46 | 25,61 | 12 |
| 2024 | 652 | 16.664,21 | 25,56 | 12 |
| totale | 5.325 | 125.632,20 | 23,59 | 82 |