| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 52 | 802,06 | 15,42 | 2 |
| 2007 | 11 | 179,99 | 16,36 | 1 |
| 2009 | 7 | 169,43 | 24,20 | 1 |
| 2010 | 9 | 125,95 | 13,99 | 1 |
| 2011 | 91 | 2.182,41 | 23,98 | 2 |
| 2012 | 186 | 3.995,14 | 21,48 | 3 |
| 2013 | 318 | 6.287,72 | 19,77 | 3 |
| 2014 | 334 | 8.318,64 | 24,91 | 3 |
| 2015 | 292 | 7.203,04 | 24,67 | 3 |
| 2016 | 207 | 5.457,55 | 26,36 | 3 |
| 2017 | 161 | 3.904,21 | 24,25 | 3 |
| 2018 | 152 | 3.510,09 | 23,09 | 3 |
| 2019 | 120 | 2.641,22 | 22,01 | 3 |
| 2020 | 26 | 479,48 | 18,44 | 2 |
| 2021 | 25 | 689,95 | 27,60 | 2 |
| 2022 | 39 | 852,72 | 21,86 | 2 |
| 2023 | 33 | 736,47 | 22,32 | 1 |
| 2024 | 31 | 545,77 | 17,61 | 1 |
| totale | 2.094 | 48.081,84 | 22,96 | 39 |