| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 664,61 | 13,85 | 1 |
| 2007 | 21 | 422,22 | 20,11 | 1 |
| 2008 | 38 | 1.136,80 | 29,92 | 3 |
| 2009 | 52 | 1.340,66 | 25,78 | 4 |
| 2010 | 54 | 910,46 | 16,86 | 3 |
| 2011 | 28 | 397,77 | 14,21 | 2 |
| 2012 | 49 | 945,12 | 19,29 | 2 |
| 2013 | 114 | 2.613,40 | 22,92 | 3 |
| 2014 | 134 | 3.742,69 | 27,93 | 3 |
| 2015 | 45 | 1.137,88 | 25,29 | 2 |
| 2016 | 48 | 1.073,13 | 22,36 | 3 |
| 2017 | 60 | 1.366,89 | 22,78 | 3 |
| 2018 | 427 | 8.340,05 | 19,53 | 5 |
| 2019 | 440 | 8.568,40 | 19,47 | 5 |
| 2020 | 372 | 8.616,23 | 23,16 | 5 |
| 2021 | 345 | 7.493,64 | 21,72 | 5 |
| 2022 | 295 | 6.099,52 | 20,68 | 5 |
| 2023 | 279 | 5.016,74 | 17,98 | 4 |
| 2024 | 247 | 4.529,63 | 18,34 | 4 |
| totale | 3.096 | 64.415,84 | 20,81 | 63 |