| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 461,27 | 12,14 | 2 |
| 2008 | 206 | 4.263,75 | 20,70 | 2 |
| 2009 | 385 | 8.393,01 | 21,80 | 3 |
| 2010 | 451 | 8.050,56 | 17,85 | 3 |
| 2011 | 431 | 7.598,47 | 17,63 | 3 |
| 2012 | 452 | 10.111,71 | 22,37 | 4 |
| 2013 | 424 | 8.073,22 | 19,04 | 5 |
| 2014 | 262 | 6.040,84 | 23,06 | 5 |
| 2015 | 229 | 4.939,64 | 21,57 | 5 |
| 2016 | 223 | 4.738,10 | 21,25 | 5 |
| 2017 | 201 | 4.144,39 | 20,62 | 5 |
| 2018 | 220 | 5.645,08 | 25,66 | 6 |
| 2019 | 213 | 5.351,55 | 25,12 | 5 |
| 2020 | 359 | 9.569,49 | 26,66 | 6 |
| 2021 | 438 | 10.148,85 | 23,17 | 6 |
| 2022 | 428 | 11.387,37 | 26,61 | 5 |
| 2023 | 203 | 4.712,06 | 23,21 | 5 |
| 2024 | 292 | 6.016,29 | 20,60 | 5 |
| totale | 5.455 | 119.645,65 | 21,93 | 80 |