| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 76 | 817,41 | 10,76 | 2 |
| 2007 | 52 | 2.402,06 | 46,19 | 3 |
| 2008 | 3 | 69,30 | 23,10 | 1 |
| 2009 | 4 | 55,50 | 13,88 | 2 |
| 2010 | 21 | 516,70 | 24,60 | 4 |
| 2011 | 1 | 21,22 | 21,22 | 1 |
| 2012 | 69 | 1.540,11 | 22,32 | 3 |
| 2013 | 62 | 1.162,28 | 18,75 | 3 |
| 2014 | 94 | 2.012,15 | 21,41 | 4 |
| 2015 | 40 | 1.037,62 | 25,94 | 4 |
| 2016 | 67 | 1.680,55 | 25,08 | 4 |
| 2017 | 60 | 1.630,45 | 27,17 | 4 |
| 2018 | 41 | 1.241,13 | 30,27 | 3 |
| 2019 | 36 | 1.020,28 | 28,34 | 3 |
| 2020 | 25 | 753,09 | 30,12 | 3 |
| 2021 | 19 | 578,49 | 30,45 | 3 |
| 2022 | 11 | 383,07 | 34,82 | 3 |
| 2023 | 11 | 209,41 | 19,04 | 3 |
| 2024 | 13 | 484,96 | 37,30 | 4 |
| totale | 705 | 17.615,78 | 24,99 | 57 |