| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 256 | 5.948,08 | 23,23 | 3 |
| 2007 | 191 | 4.641,62 | 24,30 | 2 |
| 2008 | 189 | 4.192,18 | 22,18 | 2 |
| 2009 | 356 | 9.846,52 | 27,66 | 3 |
| 2010 | 185 | 4.133,43 | 22,34 | 2 |
| 2011 | 334 | 7.252,01 | 21,71 | 1 |
| 2012 | 389 | 8.977,80 | 23,08 | 5 |
| 2013 | 177 | 3.788,27 | 21,40 | 3 |
| 2014 | 159 | 4.438,69 | 27,92 | 3 |
| 2015 | 284 | 8.178,18 | 28,80 | 5 |
| 2016 | 176 | 5.652,91 | 32,12 | 4 |
| 2017 | 172 | 5.511,79 | 32,05 | 4 |
| 2018 | 166 | 5.308,57 | 31,98 | 5 |
| 2019 | 142 | 4.292,32 | 30,23 | 6 |
| 2020 | 320 | 9.123,02 | 28,51 | 6 |
| 2021 | 268 | 7.883,16 | 29,41 | 6 |
| 2022 | 241 | 7.323,49 | 30,39 | 6 |
| 2023 | 228 | 6.603,15 | 28,96 | 6 |
| 2024 | 183 | 5.463,85 | 29,86 | 7 |
| totale | 4.416 | 118.559,04 | 26,85 | 79 |