| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 55 | 746,66 | 13,58 | 1 |
| 2007 | 77 | 1.364,79 | 17,72 | 1 |
| 2009 | 7 | 141,66 | 20,24 | 1 |
| 2010 | 170 | 2.871,51 | 16,89 | 3 |
| 2011 | 185 | 3.132,44 | 16,93 | 2 |
| 2012 | 181 | 2.947,32 | 16,28 | 2 |
| 2013 | 174 | 2.761,11 | 15,87 | 2 |
| 2014 | 119 | 2.261,43 | 19,00 | 2 |
| 2015 | 137 | 2.778,09 | 20,28 | 2 |
| 2016 | 128 | 2.651,91 | 20,72 | 2 |
| 2017 | 97 | 2.043,00 | 21,06 | 2 |
| 2018 | 93 | 1.960,75 | 21,08 | 2 |
| 2019 | 99 | 2.176,48 | 21,98 | 3 |
| 2020 | 69 | 1.582,11 | 22,93 | 3 |
| 2021 | 67 | 1.537,50 | 22,95 | 3 |
| 2022 | 50 | 1.066,58 | 21,33 | 3 |
| 2023 | 23 | 473,98 | 20,61 | 2 |
| 2024 | 21 | 257,81 | 12,28 | 4 |
| totale | 1.752 | 32.755,13 | 18,70 | 40 |