| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 1.269,88 | 22,68 | 1 |
| 2009 | 103 | 2.755,79 | 26,76 | 2 |
| 2010 | 15 | 288,25 | 19,22 | 1 |
| 2012 | 23 | 504,54 | 21,94 | 1 |
| 2013 | 21 | 459,69 | 21,89 | 1 |
| 2014 | 32 | 894,37 | 27,95 | 2 |
| 2015 | 15 | 319,80 | 21,32 | 1 |
| 2016 | 35 | 2.015,14 | 57,58 | 2 |
| 2017 | 28 | 1.408,20 | 50,29 | 2 |
| 2018 | 34 | 1.053,07 | 30,97 | 2 |
| 2019 | 35 | 1.199,89 | 34,28 | 2 |
| 2020 | 36 | 1.163,28 | 32,31 | 2 |
| 2021 | 34 | 1.864,31 | 54,83 | 2 |
| 2022 | 33 | 936,99 | 28,39 | 2 |
| 2023 | 30 | 819,01 | 27,30 | 2 |
| 2024 | 33 | 866,71 | 26,26 | 2 |
| totale | 563 | 17.818,92 | 31,65 | 27 |