| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 63 | 1.248,27 | 19,81 | 1 |
| 2009 | 12 | 200,11 | 16,68 | 1 |
| 2010 | 86 | 1.534,01 | 17,84 | 1 |
| 2011 | 14 | 406,74 | 29,05 | 1 |
| 2012 | 75 | 1.442,13 | 19,23 | 2 |
| 2013 | 42 | 534,91 | 12,74 | 2 |
| 2014 | 37 | 634,92 | 17,16 | 2 |
| 2015 | 29 | 756,18 | 26,08 | 2 |
| 2016 | 59 | 1.253,73 | 21,25 | 2 |
| 2017 | 62 | 1.391,28 | 22,44 | 2 |
| 2018 | 40 | 907,72 | 22,69 | 2 |
| 2019 | 39 | 1.089,05 | 27,92 | 2 |
| 2020 | 18 | 633,07 | 35,17 | 2 |
| 2021 | 38 | 1.944,22 | 51,16 | 2 |
| 2022 | 51 | 1.562,70 | 30,64 | 2 |
| 2023 | 44 | 1.457,97 | 33,14 | 2 |
| 2024 | 61 | 1.714,55 | 28,11 | 2 |
| totale | 770 | 18.711,56 | 24,30 | 30 |