| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 58 | 2.816,85 | 48,57 | 1 |
| 2007 | 51 | 2.418,28 | 47,42 | 2 |
| 2008 | 27 | 1.193,53 | 44,20 | 1 |
| 2009 | 47 | 2.145,28 | 45,64 | 2 |
| 2010 | 77 | 3.213,77 | 41,74 | 3 |
| 2011 | 107 | 2.746,87 | 25,67 | 2 |
| 2012 | 153 | 5.004,43 | 32,71 | 3 |
| 2013 | 160 | 4.487,96 | 28,05 | 3 |
| 2014 | 155 | 6.303,33 | 40,67 | 3 |
| 2015 | 238 | 11.286,13 | 47,42 | 4 |
| 2016 | 162 | 6.741,18 | 41,61 | 3 |
| 2017 | 205 | 9.203,79 | 44,90 | 4 |
| 2018 | 218 | 10.455,44 | 47,96 | 4 |
| 2019 | 255 | 11.954,47 | 46,88 | 5 |
| 2020 | 231 | 11.343,34 | 49,11 | 5 |
| 2021 | 139 | 5.980,45 | 43,02 | 4 |
| 2022 | 148 | 6.703,51 | 45,29 | 3 |
| 2023 | 214 | 11.192,73 | 52,30 | 4 |
| 2024 | 209 | 9.808,18 | 46,93 | 4 |
| totale | 2.854 | 124.999,52 | 43,80 | 60 |