| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 354 | 8.277,75 | 23,38 | 3 |
| 2007 | 104 | 3.281,15 | 31,55 | 2 |
| 2008 | 337 | 8.688,13 | 25,78 | 4 |
| 2009 | 58 | 1.302,74 | 22,46 | 2 |
| 2010 | 222 | 4.503,17 | 20,28 | 3 |
| 2011 | 273 | 5.916,85 | 21,67 | 3 |
| 2012 | 276 | 6.173,75 | 22,37 | 5 |
| 2013 | 303 | 5.079,67 | 16,76 | 3 |
| 2014 | 265 | 5.588,14 | 21,09 | 4 |
| 2015 | 239 | 5.464,97 | 22,87 | 3 |
| 2016 | 282 | 8.717,65 | 30,91 | 4 |
| 2017 | 272 | 7.094,39 | 26,08 | 5 |
| 2018 | 214 | 5.387,31 | 25,17 | 5 |
| 2019 | 203 | 4.684,98 | 23,08 | 5 |
| 2020 | 211 | 5.057,44 | 23,97 | 5 |
| 2021 | 198 | 5.016,72 | 25,34 | 5 |
| 2022 | 312 | 8.466,99 | 27,14 | 5 |
| 2023 | 402 | 8.198,16 | 20,39 | 7 |
| 2024 | 388 | 8.432,99 | 21,73 | 7 |
| totale | 4.913 | 115.332,95 | 23,48 | 80 |