| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 455 | 7.079,85 | 15,56 | 3 |
| 2007 | 88 | 1.682,83 | 19,12 | 2 |
| 2008 | 93 | 2.536,13 | 27,27 | 3 |
| 2009 | 160 | 4.354,32 | 27,21 | 4 |
| 2010 | 241 | 4.981,88 | 20,67 | 6 |
| 2011 | 111 | 2.514,54 | 22,65 | 3 |
| 2012 | 217 | 4.237,91 | 19,53 | 5 |
| 2013 | 202 | 3.936,79 | 19,49 | 5 |
| 2014 | 247 | 6.394,02 | 25,89 | 5 |
| 2015 | 218 | 4.871,20 | 22,34 | 5 |
| 2016 | 222 | 4.756,51 | 21,43 | 6 |
| 2017 | 197 | 4.347,29 | 22,07 | 6 |
| 2018 | 197 | 4.366,01 | 22,16 | 7 |
| 2019 | 208 | 5.104,79 | 24,54 | 7 |
| 2020 | 208 | 4.912,46 | 23,62 | 7 |
| 2021 | 198 | 4.579,66 | 23,13 | 7 |
| 2022 | 167 | 3.915,32 | 23,45 | 6 |
| 2023 | 194 | 4.508,87 | 23,24 | 6 |
| 2024 | 230 | 4.543,52 | 19,75 | 8 |
| totale | 3.853 | 83.623,90 | 21,70 | 101 |