| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 53 | 879,01 | 16,59 | 1 |
| 2008 | 231 | 5.362,89 | 23,22 | 1 |
| 2009 | 245 | 5.186,42 | 21,17 | 2 |
| 2010 | 316 | 6.123,68 | 19,38 | 2 |
| 2011 | 313 | 6.116,60 | 19,54 | 1 |
| 2012 | 324 | 8.252,32 | 25,47 | 2 |
| 2013 | 301 | 7.308,32 | 24,28 | 2 |
| 2014 | 324 | 9.262,06 | 28,59 | 2 |
| 2015 | 298 | 8.777,23 | 29,45 | 2 |
| 2016 | 287 | 8.698,11 | 30,31 | 2 |
| 2017 | 260 | 7.405,51 | 28,48 | 2 |
| 2018 | 238 | 7.428,32 | 31,21 | 2 |
| 2019 | 223 | 7.950,56 | 35,65 | 2 |
| 2020 | 217 | 9.287,99 | 42,80 | 2 |
| 2021 | 206 | 5.855,30 | 28,42 | 2 |
| 2022 | 209 | 6.186,03 | 29,60 | 2 |
| 2023 | 201 | 6.274,64 | 31,22 | 2 |
| 2024 | 193 | 5.283,38 | 27,38 | 2 |
| totale | 4.439 | 121.638,37 | 27,40 | 33 |