| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 378 | 6.533,03 | 17,28 | 2 |
| 2007 | 268 | 5.442,15 | 20,31 | 1 |
| 2008 | 266 | 5.241,30 | 19,70 | 1 |
| 2009 | 288 | 7.111,42 | 24,69 | 3 |
| 2010 | 300 | 6.146,28 | 20,49 | 3 |
| 2011 | 234 | 4.507,18 | 19,26 | 3 |
| 2012 | 246 | 4.669,24 | 18,98 | 3 |
| 2013 | 242 | 4.508,84 | 18,63 | 3 |
| 2014 | 257 | 5.405,27 | 21,03 | 3 |
| 2015 | 227 | 5.233,42 | 23,05 | 4 |
| 2016 | 255 | 5.952,32 | 23,34 | 5 |
| 2017 | 247 | 5.850,20 | 23,69 | 5 |
| 2018 | 246 | 5.702,24 | 23,18 | 5 |
| 2019 | 285 | 6.741,49 | 23,65 | 5 |
| 2020 | 521 | 12.956,78 | 24,87 | 6 |
| 2021 | 530 | 12.859,14 | 24,26 | 6 |
| 2022 | 422 | 10.233,38 | 24,25 | 5 |
| 2023 | 411 | 10.189,89 | 24,79 | 7 |
| 2024 | 156 | 4.743,16 | 30,40 | 7 |
| totale | 5.779 | 130.026,73 | 22,50 | 77 |