| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 177 | 3.166,44 | 17,89 | 2 |
| 2007 | 8 | 230,14 | 28,77 | 1 |
| 2009 | 109 | 2.775,41 | 25,46 | 4 |
| 2010 | 117 | 2.959,70 | 25,30 | 5 |
| 2011 | 28 | 960,73 | 34,31 | 3 |
| 2012 | 117 | 2.311,03 | 19,75 | 5 |
| 2013 | 84 | 1.567,57 | 18,66 | 3 |
| 2014 | 98 | 2.440,20 | 24,90 | 4 |
| 2015 | 86 | 1.913,59 | 22,25 | 3 |
| 2016 | 124 | 3.180,99 | 25,65 | 5 |
| 2017 | 158 | 4.173,14 | 26,41 | 5 |
| 2018 | 168 | 3.659,54 | 21,78 | 5 |
| 2019 | 109 | 2.526,05 | 23,17 | 5 |
| 2020 | 87 | 2.095,15 | 24,08 | 4 |
| 2021 | 68 | 1.880,80 | 27,66 | 4 |
| 2022 | 85 | 2.019,91 | 23,76 | 3 |
| 2023 | 83 | 1.963,80 | 23,66 | 4 |
| 2024 | 88 | 2.408,51 | 27,37 | 4 |
| totale | 1.794 | 42.232,70 | 23,54 | 69 |