| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 65 | 976,19 | 15,02 | 2 |
| 2007 | 11 | 368,84 | 33,53 | 1 |
| 2008 | 11 | 276,51 | 25,14 | 1 |
| 2009 | 26 | 712,29 | 27,40 | 3 |
| 2010 | 40 | 574,71 | 14,37 | 3 |
| 2011 | 57 | 962,72 | 16,89 | 2 |
| 2012 | 71 | 1.337,17 | 18,83 | 3 |
| 2013 | 67 | 1.206,64 | 18,01 | 3 |
| 2014 | 94 | 2.494,55 | 26,54 | 3 |
| 2015 | 98 | 2.477,09 | 25,28 | 3 |
| 2016 | 90 | 2.196,78 | 24,41 | 3 |
| 2017 | 97 | 2.353,80 | 24,27 | 3 |
| 2018 | 104 | 2.466,40 | 23,72 | 4 |
| 2019 | 107 | 2.135,49 | 19,96 | 4 |
| 2020 | 105 | 2.528,36 | 24,08 | 4 |
| 2021 | 97 | 2.181,27 | 22,49 | 4 |
| 2022 | 92 | 2.097,91 | 22,80 | 4 |
| 2023 | 96 | 2.314,41 | 24,11 | 4 |
| 2024 | 97 | 2.017,33 | 20,80 | 4 |
| totale | 1.425 | 31.678,46 | 22,23 | 58 |