| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 201 | 5.604,10 | 27,88 | 3 |
| 2007 | 84 | 2.101,48 | 25,02 | 2 |
| 2008 | 23 | 537,58 | 23,37 | 1 |
| 2009 | 103 | 3.131,20 | 30,40 | 3 |
| 2010 | 106 | 2.865,93 | 27,04 | 3 |
| 2011 | 55 | 1.805,63 | 32,83 | 2 |
| 2012 | 80 | 2.218,30 | 27,73 | 2 |
| 2013 | 121 | 3.252,26 | 26,88 | 3 |
| 2014 | 121 | 4.185,71 | 34,59 | 3 |
| 2015 | 117 | 4.420,45 | 37,78 | 2 |
| 2016 | 136 | 4.874,56 | 35,84 | 3 |
| 2017 | 105 | 3.697,45 | 35,21 | 3 |
| 2018 | 101 | 3.024,63 | 29,95 | 4 |
| 2019 | 74 | 2.801,96 | 37,86 | 3 |
| 2020 | 102 | 3.564,47 | 34,95 | 3 |
| 2021 | 77 | 2.480,86 | 32,22 | 3 |
| 2022 | 79 | 2.859,77 | 36,20 | 2 |
| 2023 | 82 | 2.830,56 | 34,52 | 2 |
| 2024 | 81 | 3.028,70 | 37,39 | 2 |
| totale | 1.848 | 59.285,60 | 32,08 | 49 |