| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 102 | 984,36 | 9,65 | 2 |
| 2007 | 534 | 7.118,46 | 13,33 | 2 |
| 2008 | 128 | 2.017,91 | 15,76 | 3 |
| 2009 | 262 | 4.766,63 | 18,19 | 4 |
| 2010 | 313 | 5.012,65 | 16,01 | 5 |
| 2011 | 205 | 4.056,85 | 19,79 | 3 |
| 2012 | 410 | 5.559,83 | 13,56 | 4 |
| 2013 | 85 | 913,50 | 10,75 | 2 |
| 2014 | 313 | 5.201,95 | 16,62 | 3 |
| 2015 | 504 | 8.860,10 | 17,58 | 5 |
| 2016 | 264 | 5.697,21 | 21,58 | 5 |
| 2017 | 244 | 5.252,84 | 21,53 | 4 |
| 2018 | 230 | 5.339,73 | 23,22 | 5 |
| 2019 | 219 | 5.175,65 | 23,63 | 5 |
| 2020 | 213 | 5.350,63 | 25,12 | 6 |
| 2021 | 154 | 3.794,90 | 24,64 | 5 |
| 2022 | 173 | 4.147,02 | 23,97 | 5 |
| 2023 | 247 | 5.306,15 | 21,48 | 5 |
| 2024 | 169 | 3.716,63 | 21,99 | 6 |
| totale | 4.769 | 88.273,00 | 18,51 | 79 |