| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 204 | 3.097,22 | 15,18 | 2 |
| 2007 | 14 | 209,60 | 14,97 | 1 |
| 2008 | 9 | 179,64 | 19,96 | 1 |
| 2009 | 83 | 1.300,72 | 15,67 | 1 |
| 2010 | 139 | 2.574,22 | 18,52 | 2 |
| 2011 | 2 | 81,64 | 40,82 | 1 |
| 2012 | 108 | 1.836,89 | 17,01 | 2 |
| 2013 | 84 | 1.218,63 | 14,51 | 2 |
| 2014 | 62 | 1.122,12 | 18,10 | 2 |
| 2015 | 45 | 815,06 | 18,11 | 2 |
| 2016 | 48 | 882,81 | 18,39 | 2 |
| 2017 | 50 | 1.077,27 | 21,55 | 3 |
| 2018 | 44 | 930,62 | 21,15 | 3 |
| 2019 | 76 | 1.969,80 | 25,92 | 4 |
| 2020 | 58 | 1.345,09 | 23,19 | 4 |
| 2021 | 61 | 1.298,51 | 21,29 | 4 |
| 2022 | 52 | 991,08 | 19,06 | 4 |
| 2023 | 63 | 1.450,32 | 23,02 | 4 |
| 2024 | 70 | 1.512,92 | 21,61 | 5 |
| totale | 1.272 | 23.894,16 | 18,78 | 49 |