| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 389 | 7.368,35 | 18,94 | 3 |
| 2007 | 396 | 10.223,57 | 25,82 | 3 |
| 2008 | 421 | 10.512,01 | 24,97 | 3 |
| 2009 | 245 | 5.702,80 | 23,28 | 3 |
| 2010 | 262 | 5.603,62 | 21,39 | 3 |
| 2011 | 158 | 3.080,33 | 19,50 | 2 |
| 2012 | 176 | 4.015,16 | 22,81 | 4 |
| 2013 | 175 | 3.423,95 | 19,57 | 3 |
| 2014 | 266 | 6.150,48 | 23,12 | 4 |
| 2015 | 159 | 3.570,96 | 22,46 | 3 |
| 2016 | 129 | 3.532,29 | 27,38 | 3 |
| 2017 | 125 | 3.210,67 | 25,69 | 4 |
| 2018 | 113 | 2.906,37 | 25,72 | 4 |
| 2019 | 95 | 2.298,62 | 24,20 | 4 |
| 2020 | 81 | 2.694,75 | 33,27 | 4 |
| 2021 | 91 | 2.247,81 | 24,70 | 4 |
| 2022 | 105 | 2.443,52 | 23,27 | 4 |
| 2023 | 85 | 2.027,35 | 23,85 | 5 |
| 2024 | 91 | 2.282,07 | 25,08 | 6 |
| totale | 3.562 | 83.294,68 | 23,38 | 69 |