| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 357 | 7.047,25 | 19,74 | 2 |
| 2007 | 419 | 8.220,36 | 19,62 | 1 |
| 2008 | 415 | 9.379,73 | 22,60 | 1 |
| 2009 | 399 | 9.340,94 | 23,41 | 2 |
| 2010 | 166 | 2.737,18 | 16,49 | 2 |
| 2011 | 342 | 6.039,41 | 17,66 | 2 |
| 2012 | 465 | 9.146,34 | 19,67 | 3 |
| 2013 | 208 | 4.369,32 | 21,01 | 3 |
| 2014 | 358 | 7.998,45 | 22,34 | 4 |
| 2015 | 404 | 8.405,52 | 20,81 | 4 |
| 2016 | 372 | 8.135,38 | 21,87 | 3 |
| 2017 | 439 | 10.362,44 | 23,60 | 4 |
| 2018 | 447 | 10.595,14 | 23,70 | 4 |
| 2019 | 552 | 15.110,61 | 27,37 | 4 |
| 2020 | 516 | 13.870,23 | 26,88 | 4 |
| 2021 | 593 | 15.782,84 | 26,62 | 5 |
| 2022 | 622 | 16.608,30 | 26,70 | 5 |
| 2023 | 614 | 15.649,92 | 25,49 | 5 |
| 2024 | 603 | 14.936,98 | 24,77 | 5 |
| totale | 8.291 | 193.736,34 | 23,37 | 63 |