| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 308 | 6.079,30 | 19,74 | 2 |
| 2007 | 82 | 2.082,13 | 25,39 | 1 |
| 2008 | 233 | 4.616,04 | 19,81 | 1 |
| 2009 | 193 | 4.019,74 | 20,83 | 2 |
| 2010 | 187 | 3.258,91 | 17,43 | 3 |
| 2011 | 108 | 2.133,53 | 19,75 | 2 |
| 2012 | 110 | 3.189,39 | 28,99 | 3 |
| 2013 | 98 | 2.384,74 | 24,33 | 3 |
| 2014 | 101 | 2.690,89 | 26,64 | 2 |
| 2015 | 114 | 4.221,93 | 37,03 | 2 |
| 2016 | 130 | 4.638,11 | 35,68 | 3 |
| 2017 | 148 | 5.034,56 | 34,02 | 3 |
| 2018 | 139 | 5.582,38 | 40,16 | 3 |
| 2019 | 133 | 4.738,43 | 35,63 | 3 |
| 2020 | 143 | 4.742,14 | 33,16 | 3 |
| 2021 | 162 | 5.072,50 | 31,31 | 4 |
| 2022 | 167 | 5.541,50 | 33,18 | 4 |
| 2023 | 164 | 5.902,64 | 35,99 | 4 |
| 2024 | 168 | 5.910,56 | 35,18 | 4 |
| totale | 2.888 | 81.839,42 | 28,34 | 52 |