| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 752 | 12.271,10 | 16,32 | 2 |
| 2007 | 34 | 648,46 | 19,07 | 1 |
| 2008 | 23 | 442,93 | 19,26 | 1 |
| 2009 | 281 | 4.229,32 | 15,05 | 2 |
| 2010 | 358 | 4.683,02 | 13,08 | 2 |
| 2011 | 13 | 255,17 | 19,63 | 1 |
| 2012 | 464 | 6.783,15 | 14,62 | 2 |
| 2013 | 406 | 6.423,71 | 15,82 | 2 |
| 2014 | 390 | 8.629,12 | 22,13 | 3 |
| 2015 | 359 | 8.046,94 | 22,41 | 3 |
| 2016 | 351 | 7.727,08 | 22,01 | 3 |
| 2017 | 318 | 7.643,08 | 24,03 | 2 |
| 2018 | 300 | 6.780,07 | 22,60 | 2 |
| 2019 | 330 | 7.448,52 | 22,57 | 3 |
| 2020 | 383 | 9.448,14 | 24,67 | 4 |
| 2021 | 338 | 8.508,56 | 25,17 | 4 |
| 2022 | 342 | 9.196,10 | 26,89 | 5 |
| 2023 | 365 | 8.662,56 | 23,73 | 5 |
| 2024 | 357 | 8.458,25 | 23,69 | 4 |
| totale | 6.164 | 126.285,28 | 20,49 | 51 |