| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 181 | 3.881,74 | 21,45 | 2 |
| 2007 | 70 | 1.987,09 | 28,39 | 1 |
| 2008 | 61 | 1.771,83 | 29,05 | 1 |
| 2009 | 76 | 2.049,99 | 26,97 | 2 |
| 2010 | 61 | 1.401,15 | 22,97 | 2 |
| 2011 | 32 | 519,44 | 16,23 | 1 |
| 2012 | 56 | 1.043,77 | 18,64 | 2 |
| 2013 | 55 | 972,02 | 17,67 | 2 |
| 2014 | 55 | 1.554,02 | 28,25 | 2 |
| 2015 | 67 | 1.469,53 | 21,93 | 2 |
| 2016 | 73 | 1.426,88 | 19,55 | 2 |
| 2017 | 85 | 1.741,25 | 20,49 | 2 |
| 2018 | 69 | 2.021,17 | 29,29 | 2 |
| 2019 | 89 | 1.970,75 | 22,14 | 2 |
| 2020 | 81 | 1.989,17 | 24,56 | 2 |
| 2021 | 75 | 1.787,89 | 23,84 | 2 |
| 2022 | 68 | 1.726,58 | 25,39 | 2 |
| 2023 | 70 | 1.650,98 | 23,59 | 2 |
| 2024 | 63 | 1.386,46 | 22,01 | 2 |
| totale | 1.387 | 32.351,71 | 23,32 | 35 |