| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.009 | 25.283,69 | 25,06 | 10 |
| 2007 | 565 | 16.421,51 | 29,06 | 8 |
| 2008 | 541 | 15.624,09 | 28,88 | 9 |
| 2009 | 954 | 28.706,50 | 30,09 | 11 |
| 2010 | 923 | 23.715,82 | 25,69 | 12 |
| 2011 | 717 | 18.763,00 | 26,17 | 9 |
| 2012 | 807 | 22.024,90 | 27,29 | 10 |
| 2013 | 889 | 24.226,60 | 27,25 | 11 |
| 2014 | 932 | 30.967,35 | 33,23 | 13 |
| 2015 | 873 | 25.598,14 | 29,32 | 11 |
| 2016 | 999 | 27.862,40 | 27,89 | 13 |
| 2017 | 1.020 | 27.233,45 | 26,70 | 17 |
| 2018 | 1.094 | 29.990,32 | 27,41 | 19 |
| 2019 | 1.103 | 29.869,40 | 27,08 | 20 |
| 2020 | 1.014 | 27.026,97 | 26,65 | 18 |
| 2021 | 942 | 24.470,38 | 25,98 | 18 |
| 2022 | 731 | 23.727,08 | 32,46 | 17 |
| 2023 | 682 | 21.273,89 | 31,19 | 17 |
| 2024 | 805 | 23.987,29 | 29,80 | 19 |
| totale | 16.600 | 466.772,78 | 28,12 | 262 |