| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 369 | 11.609,06 | 31,46 | 3 |
| 2007 | 307 | 10.701,31 | 34,86 | 3 |
| 2008 | 324 | 9.937,21 | 30,67 | 3 |
| 2009 | 413 | 12.354,62 | 29,91 | 6 |
| 2010 | 435 | 9.437,91 | 21,70 | 6 |
| 2011 | 385 | 8.500,27 | 22,08 | 3 |
| 2012 | 556 | 13.331,49 | 23,98 | 6 |
| 2013 | 506 | 11.413,72 | 22,56 | 6 |
| 2014 | 472 | 13.638,22 | 28,89 | 5 |
| 2015 | 476 | 14.281,99 | 30,00 | 7 |
| 2016 | 490 | 14.637,66 | 29,87 | 7 |
| 2017 | 524 | 15.883,34 | 30,31 | 8 |
| 2018 | 499 | 16.608,49 | 33,28 | 8 |
| 2019 | 700 | 22.544,58 | 32,21 | 12 |
| 2020 | 807 | 26.208,14 | 32,48 | 13 |
| 2021 | 791 | 24.345,57 | 30,78 | 13 |
| 2022 | 541 | 18.621,64 | 34,42 | 11 |
| 2023 | 598 | 21.168,18 | 35,40 | 11 |
| 2024 | 666 | 21.816,32 | 32,76 | 11 |
| totale | 9.859 | 297.039,72 | 30,13 | 142 |