| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 74 | 1.575,65 | 21,29 | 1 |
| 2007 | 380 | 7.269,31 | 19,13 | 1 |
| 2008 | 446 | 8.360,66 | 18,75 | 1 |
| 2009 | 587 | 10.620,46 | 18,09 | 2 |
| 2010 | 808 | 12.943,04 | 16,02 | 3 |
| 2011 | 864 | 13.677,78 | 15,83 | 2 |
| 2012 | 896 | 14.795,16 | 16,51 | 3 |
| 2013 | 895 | 13.923,52 | 15,56 | 3 |
| 2014 | 500 | 11.003,90 | 22,01 | 3 |
| 2015 | 398 | 8.540,83 | 21,46 | 2 |
| 2016 | 364 | 7.714,05 | 21,19 | 2 |
| 2017 | 361 | 7.489,32 | 20,75 | 2 |
| 2018 | 363 | 7.735,15 | 21,31 | 2 |
| 2019 | 345 | 7.408,37 | 21,47 | 2 |
| 2020 | 314 | 6.906,47 | 22,00 | 2 |
| 2021 | 326 | 7.663,42 | 23,51 | 3 |
| 2022 | 324 | 7.399,03 | 22,84 | 4 |
| 2023 | 310 | 8.203,42 | 26,46 | 4 |
| 2024 | 291 | 7.113,89 | 24,45 | 4 |
| totale | 8.846 | 170.343,43 | 19,26 | 46 |