| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 461 | 7.796,55 | 16,91 | 2 |
| 2007 | 486 | 9.175,42 | 18,88 | 2 |
| 2008 | 468 | 9.061,92 | 19,36 | 1 |
| 2009 | 514 | 9.767,87 | 19,00 | 2 |
| 2010 | 451 | 7.569,39 | 16,78 | 2 |
| 2011 | 469 | 7.281,23 | 15,53 | 1 |
| 2012 | 478 | 8.680,95 | 18,16 | 2 |
| 2013 | 453 | 8.018,79 | 17,70 | 2 |
| 2014 | 410 | 10.081,42 | 24,59 | 2 |
| 2015 | 383 | 8.437,17 | 22,03 | 2 |
| 2016 | 351 | 7.950,92 | 22,65 | 2 |
| 2017 | 321 | 7.006,49 | 21,83 | 2 |
| 2018 | 286 | 5.587,99 | 19,54 | 2 |
| 2019 | 365 | 7.492,94 | 20,53 | 2 |
| 2020 | 359 | 7.924,61 | 22,07 | 2 |
| 2021 | 343 | 7.622,26 | 22,22 | 2 |
| 2022 | 297 | 6.774,28 | 22,81 | 2 |
| 2023 | 233 | 5.070,61 | 21,76 | 2 |
| 2024 | 240 | 5.937,01 | 24,74 | 2 |
| totale | 7.368 | 147.237,82 | 19,98 | 36 |