| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 143 | 2.379,62 | 16,64 | 1 |
| 2007 | 200 | 4.517,78 | 22,59 | 1 |
| 2008 | 231 | 4.478,04 | 19,39 | 1 |
| 2009 | 165 | 3.459,28 | 20,97 | 2 |
| 2010 | 155 | 3.102,22 | 20,01 | 2 |
| 2011 | 162 | 2.822,55 | 17,42 | 1 |
| 2012 | 173 | 3.476,20 | 20,09 | 2 |
| 2013 | 271 | 5.391,07 | 19,89 | 4 |
| 2014 | 236 | 6.031,26 | 25,56 | 4 |
| 2015 | 241 | 6.193,12 | 25,70 | 4 |
| 2016 | 221 | 5.976,52 | 27,04 | 5 |
| 2017 | 254 | 7.288,85 | 28,70 | 6 |
| 2018 | 272 | 6.869,47 | 25,26 | 6 |
| 2019 | 252 | 6.200,03 | 24,60 | 5 |
| 2020 | 248 | 6.742,11 | 27,19 | 4 |
| 2021 | 255 | 6.658,15 | 26,11 | 4 |
| 2022 | 299 | 7.575,04 | 25,33 | 5 |
| 2023 | 325 | 7.979,91 | 24,55 | 5 |
| 2024 | 298 | 7.438,68 | 24,96 | 6 |
| totale | 4.401 | 104.579,90 | 23,76 | 68 |