| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 28 | 590,18 | 21,08 | 1 |
| 2007 | 931 | 19.597,10 | 21,05 | 1 |
| 2008 | 690 | 14.382,24 | 20,84 | 1 |
| 2009 | 733 | 13.945,66 | 19,03 | 2 |
| 2010 | 458 | 7.658,25 | 16,72 | 2 |
| 2011 | 471 | 7.219,28 | 15,33 | 1 |
| 2012 | 379 | 6.360,03 | 16,78 | 2 |
| 2013 | 503 | 7.914,42 | 15,73 | 2 |
| 2014 | 460 | 8.758,21 | 19,04 | 2 |
| 2015 | 461 | 9.851,12 | 21,37 | 2 |
| 2016 | 467 | 9.551,14 | 20,45 | 2 |
| 2017 | 471 | 9.088,42 | 19,30 | 2 |
| 2018 | 507 | 9.757,10 | 19,24 | 2 |
| 2019 | 254 | 5.736,01 | 22,58 | 2 |
| 2020 | 175 | 4.952,92 | 28,30 | 3 |
| 2021 | 163 | 4.354,68 | 26,72 | 3 |
| 2022 | 173 | 4.524,88 | 26,16 | 3 |
| 2023 | 156 | 3.721,34 | 23,85 | 3 |
| 2024 | 181 | 4.822,22 | 26,64 | 3 |
| totale | 7.661 | 152.785,20 | 19,94 | 39 |