| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 498 | 9.271,64 | 18,62 | 2 |
| 2007 | 207 | 5.433,57 | 26,25 | 1 |
| 2008 | 266 | 6.947,21 | 26,12 | 2 |
| 2009 | 342 | 8.568,17 | 25,05 | 3 |
| 2010 | 330 | 7.137,84 | 21,63 | 3 |
| 2011 | 270 | 5.730,35 | 21,22 | 2 |
| 2012 | 258 | 5.652,44 | 21,91 | 3 |
| 2013 | 349 | 7.497,62 | 21,48 | 5 |
| 2014 | 425 | 11.350,12 | 26,71 | 5 |
| 2015 | 429 | 10.767,44 | 25,10 | 5 |
| 2016 | 408 | 9.317,67 | 22,84 | 4 |
| 2017 | 410 | 9.528,59 | 23,24 | 5 |
| 2018 | 400 | 9.908,85 | 24,77 | 4 |
| 2019 | 415 | 9.937,84 | 23,95 | 4 |
| 2020 | 461 | 11.415,94 | 24,76 | 4 |
| 2021 | 437 | 9.573,45 | 21,91 | 4 |
| 2022 | 310 | 6.078,63 | 19,61 | 3 |
| 2023 | 275 | 5.523,28 | 20,08 | 3 |
| 2024 | 269 | 5.651,76 | 21,01 | 4 |
| totale | 6.759 | 155.292,41 | 22,98 | 66 |