| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 86 | 1.456,45 | 16,94 | 1 |
| 2007 | 12 | 505,70 | 42,14 | 1 |
| 2008 | 8 | 109,42 | 13,68 | 1 |
| 2009 | 49 | 1.191,68 | 24,32 | 2 |
| 2010 | 34 | 661,70 | 19,46 | 2 |
| 2011 | 22 | 442,61 | 20,12 | 1 |
| 2012 | 32 | 722,20 | 22,57 | 3 |
| 2013 | 41 | 751,72 | 18,33 | 2 |
| 2014 | 70 | 2.213,32 | 31,62 | 3 |
| 2015 | 51 | 1.323,50 | 25,95 | 2 |
| 2016 | 41 | 1.007,95 | 24,58 | 2 |
| 2017 | 35 | 1.198,26 | 34,24 | 2 |
| 2018 | 45 | 986,69 | 21,93 | 2 |
| 2019 | 54 | 1.092,25 | 20,23 | 3 |
| 2020 | 51 | 1.084,13 | 21,26 | 3 |
| 2021 | 51 | 1.185,87 | 23,25 | 3 |
| 2022 | 43 | 1.227,10 | 28,54 | 2 |
| 2023 | 36 | 982,17 | 27,28 | 2 |
| 2024 | 34 | 947,44 | 27,87 | 2 |
| totale | 795 | 19.090,16 | 24,01 | 39 |