| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 44 | 763,94 | 17,36 | 1 |
| 2007 | 132 | 3.401,35 | 25,77 | 2 |
| 2008 | 590 | 16.432,60 | 27,85 | 3 |
| 2009 | 785 | 17.908,03 | 22,81 | 4 |
| 2010 | 751 | 15.846,03 | 21,10 | 4 |
| 2011 | 712 | 14.357,49 | 20,17 | 3 |
| 2012 | 568 | 13.665,23 | 24,06 | 3 |
| 2013 | 588 | 13.494,50 | 22,95 | 4 |
| 2014 | 705 | 23.541,24 | 33,39 | 5 |
| 2015 | 889 | 26.954,22 | 30,32 | 5 |
| 2016 | 921 | 28.347,21 | 30,78 | 4 |
| 2017 | 776 | 27.310,69 | 35,19 | 5 |
| 2018 | 161 | 5.998,72 | 37,26 | 4 |
| 2019 | 167 | 6.228,83 | 37,30 | 4 |
| 2020 | 223 | 9.347,90 | 41,92 | 4 |
| 2021 | 293 | 10.046,17 | 34,29 | 6 |
| 2022 | 262 | 9.079,11 | 34,65 | 6 |
| 2023 | 295 | 9.571,73 | 32,45 | 7 |
| 2024 | 237 | 6.846,76 | 28,89 | 7 |
| totale | 9.099 | 259.141,75 | 28,48 | 81 |