| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.203,07 | 14,32 | 2 |
| 2007 | 31 | 501,39 | 16,17 | 1 |
| 2008 | 131 | 3.116,15 | 23,79 | 2 |
| 2009 | 120 | 3.255,34 | 27,13 | 3 |
| 2010 | 117 | 2.875,90 | 24,58 | 3 |
| 2011 | 110 | 2.440,55 | 22,19 | 2 |
| 2012 | 26 | 513,98 | 19,77 | 2 |
| 2013 | 29 | 528,58 | 18,23 | 2 |
| 2014 | 21 | 424,65 | 20,22 | 2 |
| 2015 | 21 | 379,63 | 18,08 | 2 |
| 2016 | 56 | 1.862,09 | 33,25 | 3 |
| 2017 | 71 | 2.276,21 | 32,06 | 3 |
| 2018 | 72 | 2.243,80 | 31,16 | 3 |
| 2019 | 81 | 2.632,72 | 32,50 | 3 |
| 2020 | 74 | 1.918,06 | 25,92 | 3 |
| 2021 | 61 | 4.023,22 | 65,95 | 3 |
| 2022 | 62 | 3.356,09 | 54,13 | 3 |
| 2023 | 54 | 2.918,81 | 54,05 | 3 |
| 2024 | 54 | 2.510,16 | 46,48 | 3 |
| totale | 1.275 | 38.980,40 | 30,57 | 48 |