| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 616 | 14.257,09 | 23,14 | 5 |
| 2007 | 312 | 8.835,71 | 28,32 | 4 |
| 2008 | 111 | 3.216,63 | 28,98 | 3 |
| 2009 | 311 | 10.275,40 | 33,04 | 6 |
| 2010 | 363 | 9.746,39 | 26,85 | 9 |
| 2011 | 188 | 5.772,53 | 30,70 | 4 |
| 2012 | 484 | 13.908,33 | 28,74 | 9 |
| 2013 | 477 | 12.920,92 | 27,09 | 8 |
| 2014 | 466 | 15.480,20 | 33,22 | 10 |
| 2015 | 413 | 14.791,08 | 35,81 | 9 |
| 2016 | 385 | 13.234,09 | 34,37 | 8 |
| 2017 | 400 | 13.166,53 | 32,92 | 9 |
| 2018 | 370 | 12.191,60 | 32,95 | 9 |
| 2019 | 395 | 12.900,01 | 32,66 | 9 |
| 2020 | 387 | 11.885,41 | 30,71 | 9 |
| 2021 | 351 | 11.056,17 | 31,50 | 9 |
| 2022 | 362 | 11.465,87 | 31,67 | 9 |
| 2023 | 344 | 10.646,90 | 30,95 | 9 |
| 2024 | 355 | 10.061,15 | 28,34 | 11 |
| totale | 7.090 | 215.812,01 | 30,44 | 149 |