| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 125 | 2.115,57 | 16,92 | 2 |
| 2007 | 633 | 13.002,12 | 20,54 | 2 |
| 2008 | 590 | 11.663,34 | 19,77 | 2 |
| 2009 | 300 | 6.293,83 | 20,98 | 3 |
| 2010 | 152 | 3.118,38 | 20,52 | 3 |
| 2011 | 130 | 2.524,69 | 19,42 | 2 |
| 2012 | 41 | 876,49 | 21,38 | 2 |
| 2013 | 56 | 1.267,31 | 22,63 | 2 |
| 2014 | 96 | 1.993,36 | 20,76 | 2 |
| 2015 | 47 | 1.345,89 | 28,64 | 2 |
| 2016 | 39 | 1.020,29 | 26,16 | 2 |
| 2017 | 31 | 779,35 | 25,14 | 2 |
| 2018 | 25 | 645,40 | 25,82 | 2 |
| 2019 | 23 | 630,34 | 27,41 | 2 |
| 2020 | 23 | 589,54 | 25,63 | 2 |
| 2021 | 23 | 740,37 | 32,19 | 2 |
| 2022 | 21 | 523,89 | 24,95 | 2 |
| 2023 | 23 | 547,55 | 23,81 | 2 |
| 2024 | 42 | 1.109,02 | 26,41 | 3 |
| totale | 2.420 | 50.786,73 | 20,99 | 41 |