| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 304 | 5.319,70 | 17,50 | 2 |
| 2007 | 110 | 2.325,37 | 21,14 | 1 |
| 2008 | 15 | 459,76 | 30,65 | 2 |
| 2009 | 75 | 1.454,34 | 19,39 | 3 |
| 2010 | 63 | 1.138,29 | 18,07 | 2 |
| 2011 | 59 | 1.015,95 | 17,22 | 1 |
| 2012 | 198 | 3.775,54 | 19,07 | 3 |
| 2013 | 50 | 678,72 | 13,57 | 2 |
| 2014 | 94 | 2.001,93 | 21,30 | 2 |
| 2015 | 61 | 1.229,28 | 20,15 | 2 |
| 2016 | 85 | 1.982,15 | 23,32 | 4 |
| 2017 | 166 | 3.988,16 | 24,03 | 6 |
| 2018 | 167 | 3.972,91 | 23,79 | 6 |
| 2019 | 122 | 2.440,63 | 20,01 | 6 |
| 2020 | 98 | 2.137,20 | 21,81 | 6 |
| 2021 | 166 | 3.755,73 | 22,62 | 6 |
| 2022 | 182 | 4.123,37 | 22,66 | 6 |
| 2023 | 282 | 5.500,43 | 19,51 | 5 |
| 2024 | 455 | 9.684,80 | 21,29 | 6 |
| totale | 2.752 | 56.984,26 | 20,71 | 71 |