| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 349 | 6.780,02 | 19,43 | 2 |
| 2007 | 285 | 6.265,07 | 21,98 | 1 |
| 2008 | 284 | 6.190,93 | 21,80 | 1 |
| 2009 | 330 | 7.143,13 | 21,65 | 2 |
| 2010 | 344 | 6.429,78 | 18,69 | 2 |
| 2011 | 343 | 6.116,54 | 17,83 | 1 |
| 2012 | 350 | 6.620,35 | 18,92 | 2 |
| 2013 | 334 | 6.418,59 | 19,22 | 2 |
| 2014 | 333 | 8.123,59 | 24,40 | 2 |
| 2015 | 333 | 8.309,24 | 24,95 | 2 |
| 2016 | 311 | 7.632,39 | 24,54 | 2 |
| 2017 | 298 | 7.100,76 | 23,83 | 2 |
| 2018 | 293 | 6.855,84 | 23,40 | 3 |
| 2019 | 284 | 6.629,93 | 23,34 | 3 |
| 2020 | 286 | 7.002,19 | 24,48 | 3 |
| 2021 | 273 | 7.121,42 | 26,09 | 3 |
| 2022 | 265 | 6.961,78 | 26,27 | 3 |
| 2023 | 256 | 6.495,03 | 25,37 | 3 |
| 2024 | 268 | 7.126,09 | 26,59 | 5 |
| totale | 5.819 | 131.322,67 | 22,57 | 44 |