| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 728 | 15.546,18 | 21,35 | 2 |
| 2007 | 714 | 16.296,07 | 22,82 | 4 |
| 2008 | 677 | 14.968,64 | 22,11 | 4 |
| 2009 | 989 | 23.679,73 | 23,94 | 7 |
| 2010 | 1.117 | 20.248,33 | 18,13 | 6 |
| 2011 | 940 | 17.117,61 | 18,21 | 7 |
| 2012 | 1.035 | 20.814,77 | 20,11 | 8 |
| 2013 | 817 | 17.007,12 | 20,82 | 8 |
| 2014 | 711 | 19.839,51 | 27,90 | 10 |
| 2015 | 710 | 19.495,05 | 27,46 | 12 |
| 2016 | 877 | 21.779,14 | 24,83 | 9 |
| 2017 | 605 | 15.196,42 | 25,12 | 10 |
| 2018 | 763 | 16.815,03 | 22,04 | 11 |
| 2019 | 758 | 17.343,14 | 22,88 | 10 |
| 2020 | 919 | 23.128,77 | 25,17 | 12 |
| 2021 | 725 | 17.778,30 | 24,52 | 11 |
| 2022 | 686 | 18.342,27 | 26,74 | 10 |
| 2023 | 980 | 23.503,18 | 23,98 | 15 |
| 2024 | 1.302 | 29.708,31 | 22,82 | 17 |
| totale | 16.053 | 368.607,57 | 22,96 | 173 |