| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 293 | 5.659,72 | 19,32 | 2 |
| 2007 | 196 | 4.568,87 | 23,31 | 1 |
| 2008 | 270 | 5.965,13 | 22,09 | 1 |
| 2009 | 326 | 6.977,58 | 21,40 | 2 |
| 2010 | 331 | 5.897,96 | 17,82 | 2 |
| 2011 | 304 | 4.884,31 | 16,07 | 1 |
| 2012 | 284 | 5.123,76 | 18,04 | 2 |
| 2013 | 297 | 5.426,65 | 18,27 | 2 |
| 2014 | 277 | 6.072,99 | 21,92 | 3 |
| 2015 | 295 | 6.670,56 | 22,61 | 3 |
| 2016 | 326 | 7.445,86 | 22,84 | 3 |
| 2017 | 342 | 8.041,18 | 23,51 | 3 |
| 2018 | 329 | 7.863,70 | 23,90 | 3 |
| 2019 | 334 | 7.842,62 | 23,48 | 2 |
| 2020 | 291 | 7.541,84 | 25,92 | 3 |
| 2021 | 264 | 6.760,76 | 25,61 | 4 |
| 2022 | 198 | 5.460,90 | 27,58 | 4 |
| 2023 | 192 | 5.108,63 | 26,61 | 5 |
| 2024 | 180 | 4.856,70 | 26,98 | 5 |
| totale | 5.329 | 118.169,72 | 22,17 | 51 |