| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 191 | 4.663,80 | 24,42 | 2 |
| 2007 | 103 | 2.897,81 | 28,13 | 1 |
| 2008 | 82 | 2.111,73 | 25,75 | 1 |
| 2009 | 122 | 3.004,08 | 24,62 | 2 |
| 2010 | 196 | 4.034,00 | 20,58 | 3 |
| 2011 | 113 | 2.147,08 | 19,00 | 1 |
| 2012 | 178 | 4.207,97 | 23,64 | 3 |
| 2013 | 170 | 3.834,85 | 22,56 | 3 |
| 2014 | 167 | 4.763,01 | 28,52 | 2 |
| 2015 | 198 | 5.588,25 | 28,22 | 3 |
| 2016 | 170 | 4.622,19 | 27,19 | 3 |
| 2017 | 255 | 7.934,96 | 31,12 | 4 |
| 2018 | 318 | 9.056,38 | 28,48 | 4 |
| 2019 | 321 | 9.332,31 | 29,07 | 4 |
| 2020 | 279 | 9.292,82 | 33,31 | 4 |
| 2021 | 270 | 8.965,62 | 33,21 | 5 |
| 2022 | 229 | 7.794,35 | 34,04 | 4 |
| 2023 | 210 | 6.646,26 | 31,65 | 4 |
| 2024 | 213 | 6.294,77 | 29,55 | 4 |
| totale | 3.785 | 107.192,24 | 28,32 | 57 |