| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 409 | 8.357,41 | 20,43 | 2 |
| 2007 | 320 | 7.970,70 | 24,91 | 3 |
| 2008 | 309 | 6.551,68 | 21,20 | 3 |
| 2009 | 290 | 6.035,90 | 20,81 | 4 |
| 2010 | 224 | 4.360,06 | 19,46 | 2 |
| 2011 | 167 | 2.938,25 | 17,59 | 2 |
| 2012 | 181 | 4.218,17 | 23,30 | 3 |
| 2013 | 163 | 3.524,60 | 21,62 | 3 |
| 2014 | 224 | 5.271,43 | 23,53 | 4 |
| 2015 | 285 | 6.287,32 | 22,06 | 4 |
| 2016 | 246 | 5.181,30 | 21,06 | 4 |
| 2017 | 233 | 5.274,41 | 22,64 | 4 |
| 2018 | 215 | 4.321,82 | 20,10 | 4 |
| 2019 | 194 | 4.115,95 | 21,22 | 3 |
| 2020 | 175 | 3.985,86 | 22,78 | 3 |
| 2021 | 177 | 3.980,03 | 22,49 | 3 |
| 2022 | 178 | 4.509,57 | 25,33 | 3 |
| 2023 | 167 | 3.850,38 | 23,06 | 3 |
| 2024 | 203 | 4.847,83 | 23,88 | 4 |
| totale | 4.360 | 95.582,67 | 21,92 | 61 |