| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 210 | 4.828,45 | 22,99 | 2 |
| 2007 | 222 | 7.083,72 | 31,91 | 3 |
| 2008 | 188 | 5.989,02 | 31,86 | 2 |
| 2009 | 222 | 6.139,08 | 27,65 | 4 |
| 2010 | 367 | 8.352,02 | 22,76 | 3 |
| 2011 | 412 | 8.637,18 | 20,96 | 3 |
| 2012 | 475 | 11.086,92 | 23,34 | 4 |
| 2013 | 434 | 8.461,68 | 19,50 | 4 |
| 2014 | 455 | 13.515,57 | 29,70 | 5 |
| 2015 | 457 | 17.590,78 | 38,49 | 4 |
| 2016 | 445 | 14.538,72 | 32,67 | 6 |
| 2017 | 434 | 13.939,85 | 32,12 | 6 |
| 2018 | 408 | 13.042,14 | 31,97 | 7 |
| 2019 | 420 | 14.051,55 | 33,46 | 7 |
| 2020 | 434 | 14.973,76 | 34,50 | 7 |
| 2021 | 421 | 13.721,31 | 32,59 | 7 |
| 2022 | 408 | 13.369,45 | 32,77 | 7 |
| 2023 | 453 | 14.893,48 | 32,88 | 8 |
| 2024 | 488 | 15.645,22 | 32,06 | 9 |
| totale | 7.353 | 219.859,90 | 29,90 | 98 |