| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 677 | 9.690,80 | 14,31 | 4 |
| 2007 | 309 | 5.184,29 | 16,78 | 2 |
| 2008 | 309 | 5.175,61 | 16,75 | 2 |
| 2009 | 75 | 1.343,38 | 17,91 | 3 |
| 2010 | 63 | 1.284,41 | 20,39 | 2 |
| 2011 | 251 | 4.883,69 | 19,46 | 3 |
| 2012 | 337 | 7.486,61 | 22,22 | 5 |
| 2013 | 245 | 5.421,24 | 22,13 | 4 |
| 2014 | 270 | 6.307,28 | 23,36 | 4 |
| 2015 | 189 | 4.697,43 | 24,85 | 3 |
| 2016 | 186 | 4.267,10 | 22,94 | 4 |
| 2017 | 189 | 4.337,19 | 22,95 | 4 |
| 2018 | 147 | 3.475,73 | 23,64 | 4 |
| 2019 | 165 | 3.984,70 | 24,15 | 4 |
| 2020 | 154 | 3.877,93 | 25,18 | 4 |
| 2021 | 163 | 3.808,67 | 23,37 | 4 |
| 2022 | 75 | 1.786,49 | 23,82 | 3 |
| 2023 | 79 | 1.626,93 | 20,59 | 3 |
| 2024 | 125 | 2.927,26 | 23,42 | 4 |
| totale | 4.008 | 81.566,74 | 20,35 | 66 |