| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 276,39 | 17,27 | 1 |
| 2007 | 107 | 2.209,08 | 20,65 | 1 |
| 2008 | 171 | 3.367,96 | 19,70 | 1 |
| 2009 | 2 | 40,67 | 20,34 | 1 |
| 2010 | 171 | 2.961,29 | 17,32 | 2 |
| 2011 | 145 | 2.507,44 | 17,29 | 1 |
| 2012 | 153 | 3.472,14 | 22,69 | 2 |
| 2013 | 154 | 2.712,49 | 17,61 | 2 |
| 2014 | 156 | 4.002,48 | 25,66 | 2 |
| 2015 | 157 | 4.263,45 | 27,16 | 2 |
| 2016 | 142 | 3.643,39 | 25,66 | 2 |
| 2017 | 111 | 2.153,47 | 19,40 | 2 |
| 2018 | 73 | 1.954,87 | 26,78 | 2 |
| 2019 | 67 | 1.585,63 | 23,67 | 2 |
| 2020 | 76 | 2.383,57 | 31,36 | 3 |
| 2021 | 78 | 2.975,76 | 38,15 | 3 |
| 2022 | 76 | 3.733,54 | 49,13 | 3 |
| 2023 | 74 | 3.695,66 | 49,94 | 4 |
| 2024 | 63 | 3.267,17 | 51,86 | 4 |
| totale | 1.992 | 51.206,45 | 25,71 | 40 |