| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 220 | 9.997,84 | 45,44 | 5 |
| 2007 | 91 | 4.716,96 | 51,83 | 3 |
| 2008 | 81 | 3.762,06 | 46,45 | 2 |
| 2009 | 87 | 3.433,49 | 39,47 | 4 |
| 2010 | 84 | 2.726,04 | 32,45 | 4 |
| 2011 | 62 | 1.584,01 | 25,55 | 3 |
| 2012 | 80 | 2.796,71 | 34,96 | 4 |
| 2013 | 64 | 2.264,46 | 35,38 | 5 |
| 2014 | 57 | 2.571,56 | 45,12 | 4 |
| 2015 | 31 | 1.568,06 | 50,58 | 4 |
| 2016 | 40 | 2.018,27 | 50,46 | 4 |
| 2017 | 137 | 3.907,63 | 28,52 | 4 |
| 2018 | 73 | 2.229,15 | 30,54 | 4 |
| 2019 | 67 | 2.049,83 | 30,59 | 4 |
| 2020 | 91 | 3.143,76 | 34,55 | 3 |
| 2021 | 33 | 763,36 | 23,13 | 2 |
| 2022 | 36 | 1.163,59 | 32,32 | 2 |
| 2023 | 26 | 1.022,81 | 39,34 | 3 |
| 2024 | 42 | 1.265,06 | 30,12 | 5 |
| totale | 1.402 | 52.984,65 | 37,79 | 69 |