| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 460 | 9.552,66 | 20,77 | 4 |
| 2007 | 367 | 13.154,95 | 35,84 | 2 |
| 2008 | 340 | 12.399,49 | 36,47 | 3 |
| 2009 | 312 | 10.780,89 | 34,55 | 4 |
| 2010 | 269 | 8.555,74 | 31,81 | 4 |
| 2011 | 302 | 9.484,22 | 31,40 | 3 |
| 2012 | 312 | 6.993,47 | 22,41 | 4 |
| 2013 | 314 | 6.219,99 | 19,81 | 4 |
| 2014 | 293 | 7.434,90 | 25,38 | 4 |
| 2015 | 327 | 7.735,96 | 23,66 | 5 |
| 2016 | 363 | 9.212,58 | 25,38 | 5 |
| 2017 | 440 | 10.818,01 | 24,59 | 5 |
| 2018 | 386 | 9.259,12 | 23,99 | 5 |
| 2019 | 356 | 9.585,90 | 26,93 | 5 |
| 2020 | 385 | 10.377,54 | 26,95 | 5 |
| 2021 | 330 | 8.862,07 | 26,85 | 5 |
| 2022 | 261 | 8.002,13 | 30,66 | 4 |
| 2023 | 256 | 6.888,78 | 26,91 | 4 |
| 2024 | 224 | 4.970,25 | 22,19 | 4 |
| totale | 6.297 | 170.288,65 | 27,04 | 79 |