| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 590 | 9.683,38 | 16,41 | 2 |
| 2007 | 570 | 11.264,63 | 19,76 | 3 |
| 2008 | 493 | 10.447,09 | 21,19 | 2 |
| 2009 | 637 | 12.303,17 | 19,31 | 3 |
| 2010 | 525 | 8.922,52 | 17,00 | 3 |
| 2011 | 525 | 9.294,94 | 17,70 | 3 |
| 2012 | 136 | 3.249,81 | 23,90 | 4 |
| 2013 | 182 | 4.405,94 | 24,21 | 5 |
| 2014 | 398 | 9.163,50 | 23,02 | 5 |
| 2015 | 421 | 9.749,82 | 23,16 | 5 |
| 2016 | 525 | 12.481,04 | 23,77 | 5 |
| 2017 | 641 | 15.864,90 | 24,75 | 5 |
| 2018 | 743 | 20.572,27 | 27,69 | 6 |
| 2019 | 1.001 | 28.026,01 | 28,00 | 6 |
| 2020 | 897 | 28.144,59 | 31,38 | 5 |
| 2021 | 832 | 26.206,65 | 31,50 | 5 |
| 2022 | 723 | 22.864,89 | 31,63 | 5 |
| 2023 | 567 | 21.740,42 | 38,34 | 5 |
| 2024 | 549 | 16.783,10 | 30,57 | 5 |
| totale | 10.955 | 281.168,67 | 25,67 | 82 |