| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 293 | 6.130,44 | 20,92 | 3 |
| 2007 | 39 | 1.104,76 | 28,33 | 2 |
| 2008 | 30 | 890,49 | 29,68 | 1 |
| 2009 | 101 | 2.295,09 | 22,72 | 2 |
| 2010 | 121 | 2.833,44 | 23,42 | 2 |
| 2011 | 33 | 795,08 | 24,09 | 1 |
| 2012 | 94 | 2.471,03 | 26,29 | 2 |
| 2013 | 84 | 2.162,17 | 25,74 | 2 |
| 2014 | 79 | 2.180,77 | 27,60 | 2 |
| 2015 | 56 | 1.528,17 | 27,29 | 2 |
| 2016 | 74 | 1.916,79 | 25,90 | 2 |
| 2017 | 79 | 2.334,43 | 29,55 | 2 |
| 2018 | 71 | 2.173,98 | 30,62 | 2 |
| 2019 | 73 | 2.461,97 | 33,73 | 2 |
| 2020 | 81 | 2.998,90 | 37,02 | 2 |
| 2021 | 82 | 2.664,45 | 32,49 | 2 |
| 2022 | 106 | 3.039,13 | 28,67 | 3 |
| 2023 | 109 | 3.423,27 | 31,41 | 4 |
| 2024 | 141 | 3.869,29 | 27,44 | 6 |
| totale | 1.746 | 47.273,65 | 27,08 | 44 |