| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 224 | 4.037,23 | 18,02 | 1 |
| 2007 | 118 | 3.720,38 | 31,53 | 1 |
| 2008 | 110 | 2.987,45 | 27,16 | 4 |
| 2009 | 178 | 5.084,05 | 28,56 | 7 |
| 2010 | 312 | 7.501,43 | 24,04 | 6 |
| 2011 | 566 | 11.255,99 | 19,89 | 7 |
| 2012 | 603 | 12.790,40 | 21,21 | 8 |
| 2013 | 663 | 14.448,35 | 21,79 | 8 |
| 2014 | 726 | 20.522,76 | 28,27 | 8 |
| 2015 | 615 | 17.540,28 | 28,52 | 9 |
| 2016 | 716 | 20.708,63 | 28,92 | 10 |
| 2017 | 675 | 21.865,68 | 32,39 | 10 |
| 2018 | 662 | 24.248,92 | 36,63 | 10 |
| 2019 | 676 | 23.220,17 | 34,35 | 11 |
| 2020 | 708 | 29.803,41 | 42,10 | 13 |
| 2021 | 854 | 32.285,76 | 37,81 | 14 |
| 2022 | 684 | 23.490,20 | 34,34 | 12 |
| 2023 | 714 | 24.802,67 | 34,74 | 12 |
| 2024 | 792 | 26.671,20 | 33,68 | 14 |
| totale | 10.596 | 326.984,96 | 30,86 | 165 |