| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 77 | 1.369,01 | 17,78 | 2 |
| 2007 | 20 | 362,90 | 18,15 | 1 |
| 2008 | 64 | 1.083,59 | 16,93 | 2 |
| 2009 | 205 | 3.106,84 | 15,16 | 5 |
| 2010 | 136 | 1.933,86 | 14,22 | 3 |
| 2011 | 129 | 1.676,23 | 12,99 | 3 |
| 2012 | 350 | 4.863,10 | 13,89 | 4 |
| 2013 | 465 | 5.987,36 | 12,88 | 5 |
| 2014 | 459 | 6.754,19 | 14,72 | 4 |
| 2015 | 300 | 4.885,97 | 16,29 | 5 |
| 2016 | 378 | 6.163,08 | 16,30 | 5 |
| 2017 | 1.182 | 21.944,38 | 18,57 | 7 |
| 2018 | 1.049 | 18.736,12 | 17,86 | 7 |
| 2019 | 1.112 | 20.684,86 | 18,60 | 7 |
| 2020 | 1.064 | 19.986,21 | 18,78 | 7 |
| 2021 | 802 | 14.381,22 | 17,93 | 6 |
| 2022 | 499 | 9.839,68 | 19,72 | 5 |
| 2023 | 770 | 13.931,81 | 18,09 | 6 |
| 2024 | 857 | 14.958,03 | 17,45 | 8 |
| totale | 9.918 | 172.648,44 | 17,41 | 92 |