| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 97 | 1.819,68 | 18,76 | 2 |
| 2007 | 539 | 7.986,48 | 14,82 | 1 |
| 2008 | 357 | 4.918,03 | 13,78 | 1 |
| 2009 | 273 | 3.501,29 | 12,83 | 4 |
| 2010 | 407 | 5.496,35 | 13,50 | 4 |
| 2011 | 369 | 4.188,86 | 11,35 | 3 |
| 2012 | 366 | 4.478,13 | 12,24 | 2 |
| 2013 | 388 | 4.310,97 | 11,11 | 2 |
| 2014 | 360 | 5.771,40 | 16,03 | 3 |
| 2015 | 334 | 5.062,37 | 15,16 | 3 |
| 2016 | 356 | 6.111,03 | 17,17 | 4 |
| 2017 | 345 | 6.086,64 | 17,64 | 4 |
| 2018 | 265 | 4.851,70 | 18,31 | 4 |
| 2019 | 244 | 4.800,33 | 19,67 | 4 |
| 2020 | 245 | 5.004,81 | 20,43 | 4 |
| 2021 | 252 | 4.971,68 | 19,73 | 4 |
| 2022 | 271 | 6.756,48 | 24,93 | 5 |
| 2023 | 259 | 6.891,32 | 26,61 | 8 |
| 2024 | 355 | 9.502,95 | 26,77 | 8 |
| totale | 6.082 | 102.510,50 | 16,85 | 70 |