| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.242 | 25.439,69 | 20,48 | 2 |
| 2007 | 93 | 8.122,22 | 87,34 | 2 |
| 2008 | 129 | 9.213,71 | 71,42 | 3 |
| 2009 | 418 | 13.296,38 | 31,81 | 6 |
| 2010 | 406 | 10.002,42 | 24,64 | 3 |
| 2011 | 157 | 3.969,71 | 25,28 | 2 |
| 2012 | 793 | 22.166,67 | 27,95 | 9 |
| 2013 | 847 | 22.162,16 | 26,17 | 8 |
| 2014 | 756 | 24.712,45 | 32,69 | 8 |
| 2015 | 740 | 23.745,93 | 32,09 | 7 |
| 2016 | 918 | 32.519,97 | 35,42 | 11 |
| 2017 | 899 | 31.155,96 | 34,66 | 11 |
| 2018 | 1.291 | 44.698,79 | 34,62 | 12 |
| 2019 | 1.678 | 57.578,99 | 34,31 | 13 |
| 2020 | 1.872 | 65.536,15 | 35,01 | 12 |
| 2021 | 3.007 | 103.592,65 | 34,45 | 14 |
| 2022 | 3.824 | 139.389,35 | 36,45 | 18 |
| 2023 | 5.077 | 181.366,53 | 35,72 | 19 |
| 2024 | 5.674 | 195.874,98 | 34,52 | 22 |
| totale | 29.821 | 1.014.544,71 | 34,02 | 182 |