| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 329 | 5.135,01 | 15,61 | 3 |
| 2007 | 234 | 4.081,74 | 17,44 | 1 |
| 2008 | 303 | 4.717,73 | 15,57 | 2 |
| 2009 | 327 | 6.701,17 | 20,49 | 4 |
| 2010 | 323 | 5.487,95 | 16,99 | 4 |
| 2011 | 226 | 3.290,72 | 14,56 | 2 |
| 2012 | 228 | 3.087,05 | 13,54 | 3 |
| 2013 | 301 | 3.966,84 | 13,18 | 3 |
| 2014 | 350 | 5.874,63 | 16,78 | 4 |
| 2015 | 392 | 6.850,40 | 17,48 | 4 |
| 2016 | 445 | 8.821,35 | 19,82 | 4 |
| 2017 | 393 | 7.427,06 | 18,90 | 4 |
| 2018 | 327 | 5.996,47 | 18,34 | 4 |
| 2019 | 386 | 7.452,71 | 19,31 | 4 |
| 2020 | 557 | 11.265,13 | 20,22 | 4 |
| 2021 | 463 | 11.063,24 | 23,89 | 4 |
| 2022 | 499 | 12.149,30 | 24,35 | 4 |
| 2023 | 456 | 8.685,70 | 19,05 | 4 |
| 2024 | 467 | 8.880,23 | 19,02 | 5 |
| totale | 7.006 | 130.934,43 | 18,69 | 67 |