| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 192 | 8.043,98 | 41,90 | 2 |
| 2007 | 210 | 9.023,25 | 42,97 | 1 |
| 2008 | 333 | 11.487,46 | 34,50 | 1 |
| 2009 | 347 | 11.049,20 | 31,84 | 2 |
| 2010 | 368 | 11.110,02 | 30,19 | 3 |
| 2011 | 307 | 7.454,28 | 24,28 | 2 |
| 2012 | 324 | 8.027,19 | 24,78 | 2 |
| 2013 | 302 | 7.618,67 | 25,23 | 2 |
| 2014 | 287 | 8.873,80 | 30,92 | 2 |
| 2015 | 306 | 9.953,93 | 32,53 | 3 |
| 2016 | 301 | 9.124,77 | 30,31 | 3 |
| 2017 | 290 | 9.360,97 | 32,28 | 3 |
| 2018 | 298 | 9.641,19 | 32,35 | 3 |
| 2019 | 305 | 9.275,96 | 30,41 | 3 |
| 2020 | 273 | 8.540,62 | 31,28 | 3 |
| 2021 | 275 | 8.597,93 | 31,27 | 3 |
| 2022 | 247 | 8.497,40 | 34,40 | 3 |
| 2023 | 300 | 9.621,83 | 32,07 | 5 |
| 2024 | 282 | 8.325,86 | 29,52 | 6 |
| totale | 5.547 | 173.628,31 | 31,30 | 52 |