| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 318 | 8.237,24 | 25,90 | 6 |
| 2007 | 227 | 5.645,81 | 24,87 | 5 |
| 2008 | 185 | 4.513,01 | 24,39 | 4 |
| 2009 | 252 | 6.348,12 | 25,19 | 6 |
| 2010 | 254 | 5.330,35 | 20,99 | 6 |
| 2011 | 223 | 5.266,40 | 23,62 | 4 |
| 2012 | 261 | 6.684,74 | 25,61 | 5 |
| 2013 | 327 | 6.932,56 | 21,20 | 5 |
| 2014 | 357 | 9.781,25 | 27,40 | 5 |
| 2015 | 358 | 9.561,40 | 26,71 | 5 |
| 2016 | 384 | 10.352,79 | 26,96 | 5 |
| 2017 | 407 | 10.187,18 | 25,03 | 5 |
| 2018 | 425 | 10.247,97 | 24,11 | 7 |
| 2019 | 430 | 10.792,67 | 25,10 | 7 |
| 2020 | 462 | 12.983,17 | 28,10 | 7 |
| 2021 | 445 | 12.603,65 | 28,32 | 7 |
| 2022 | 493 | 13.201,12 | 26,78 | 7 |
| 2023 | 420 | 11.212,31 | 26,70 | 8 |
| 2024 | 373 | 9.808,95 | 26,30 | 8 |
| totale | 6.601 | 169.690,69 | 25,71 | 112 |