| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 363 | 14.757,23 | 40,65 | 2 |
| 2007 | 323 | 14.911,09 | 46,16 | 1 |
| 2008 | 387 | 17.674,62 | 45,67 | 2 |
| 2009 | 359 | 14.738,75 | 41,06 | 3 |
| 2010 | 458 | 9.507,35 | 20,76 | 3 |
| 2011 | 340 | 7.464,96 | 21,96 | 2 |
| 2012 | 417 | 9.977,26 | 23,93 | 3 |
| 2013 | 413 | 10.321,18 | 24,99 | 3 |
| 2014 | 391 | 10.153,70 | 25,97 | 3 |
| 2015 | 396 | 9.682,68 | 24,45 | 3 |
| 2016 | 368 | 8.640,85 | 23,48 | 3 |
| 2017 | 367 | 9.298,87 | 25,34 | 3 |
| 2018 | 355 | 9.245,99 | 26,05 | 3 |
| 2019 | 367 | 10.466,08 | 28,52 | 3 |
| 2020 | 355 | 9.913,46 | 27,93 | 3 |
| 2021 | 344 | 9.003,49 | 26,17 | 3 |
| 2022 | 348 | 10.302,27 | 29,60 | 3 |
| 2023 | 324 | 9.075,24 | 28,01 | 3 |
| 2024 | 331 | 9.275,95 | 28,02 | 3 |
| totale | 7.006 | 204.411,02 | 29,18 | 52 |