| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 250 | 4.482,02 | 17,93 | 2 |
| 2007 | 291 | 5.309,87 | 18,25 | 1 |
| 2008 | 312 | 5.783,82 | 18,54 | 1 |
| 2009 | 213 | 4.128,96 | 19,38 | 3 |
| 2010 | 46 | 1.517,06 | 32,98 | 2 |
| 2011 | 115 | 1.774,03 | 15,43 | 1 |
| 2012 | 119 | 1.835,36 | 15,42 | 2 |
| 2013 | 88 | 990,24 | 11,25 | 2 |
| 2014 | 214 | 3.778,85 | 17,66 | 3 |
| 2015 | 175 | 3.397,16 | 19,41 | 7 |
| 2016 | 80 | 1.577,36 | 19,72 | 4 |
| 2017 | 71 | 1.771,24 | 24,95 | 4 |
| 2018 | 253 | 5.510,06 | 21,78 | 5 |
| 2019 | 227 | 4.861,30 | 21,42 | 7 |
| 2020 | 208 | 5.271,98 | 25,35 | 7 |
| 2021 | 139 | 3.488,48 | 25,10 | 6 |
| 2022 | 624 | 16.693,15 | 26,75 | 6 |
| 2023 | 545 | 12.607,36 | 23,13 | 7 |
| 2024 | 927 | 16.365,96 | 17,65 | 10 |
| totale | 4.897 | 101.144,26 | 20,65 | 80 |