| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 120 | 2.200,89 | 18,34 | 3 |
| 2007 | 16 | 171,60 | 10,73 | 1 |
| 2008 | 3 | 24,16 | 8,05 | 1 |
| 2009 | 29 | 848,55 | 29,26 | 2 |
| 2010 | 32 | 731,95 | 22,87 | 3 |
| 2011 | 73 | 1.242,95 | 17,03 | 2 |
| 2012 | 110 | 1.819,50 | 16,54 | 3 |
| 2013 | 151 | 2.508,43 | 16,61 | 4 |
| 2014 | 139 | 2.487,99 | 17,90 | 4 |
| 2015 | 142 | 2.431,35 | 17,12 | 3 |
| 2016 | 116 | 2.234,04 | 19,26 | 4 |
| 2017 | 93 | 1.992,22 | 21,42 | 4 |
| 2018 | 89 | 2.078,44 | 23,35 | 4 |
| 2019 | 89 | 2.473,45 | 27,79 | 4 |
| 2020 | 80 | 2.048,69 | 25,61 | 4 |
| 2021 | 88 | 2.050,70 | 23,30 | 3 |
| 2022 | 87 | 1.960,53 | 22,53 | 3 |
| 2023 | 65 | 1.554,24 | 23,91 | 3 |
| 2024 | 63 | 1.277,30 | 20,27 | 3 |
| totale | 1.585 | 32.136,98 | 20,28 | 58 |