| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 380,41 | 16,54 | 1 |
| 2007 | 78 | 2.282,31 | 29,26 | 1 |
| 2008 | 38 | 1.967,41 | 51,77 | 2 |
| 2009 | 223 | 8.560,84 | 38,39 | 4 |
| 2010 | 171 | 5.877,36 | 34,37 | 4 |
| 2012 | 203 | 6.963,82 | 34,30 | 4 |
| 2013 | 132 | 4.185,51 | 31,71 | 3 |
| 2014 | 63 | 2.848,25 | 45,21 | 3 |
| 2015 | 67 | 2.656,31 | 39,65 | 2 |
| 2016 | 62 | 2.010,66 | 32,43 | 3 |
| 2017 | 84 | 2.104,17 | 25,05 | 3 |
| 2018 | 81 | 2.070,25 | 25,56 | 3 |
| 2019 | 74 | 1.689,97 | 22,84 | 3 |
| 2020 | 70 | 1.839,78 | 26,28 | 3 |
| 2021 | 54 | 1.397,65 | 25,88 | 3 |
| 2022 | 55 | 1.334,31 | 24,26 | 3 |
| 2023 | 44 | 1.255,87 | 28,54 | 3 |
| 2024 | 48 | 2.149,70 | 44,79 | 4 |
| totale | 1.570 | 51.574,58 | 32,85 | 52 |