| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 203 | 6.277,73 | 30,92 | 1 |
| 2008 | 25 | 731,04 | 29,24 | 1 |
| 2009 | 89 | 2.063,16 | 23,18 | 2 |
| 2010 | 104 | 2.021,09 | 19,43 | 3 |
| 2011 | 29 | 514,22 | 17,73 | 1 |
| 2012 | 458 | 12.853,21 | 28,06 | 2 |
| 2013 | 485 | 12.406,15 | 25,58 | 3 |
| 2014 | 486 | 15.377,80 | 31,64 | 4 |
| 2015 | 522 | 17.255,76 | 33,06 | 5 |
| 2016 | 526 | 17.450,02 | 33,17 | 6 |
| 2017 | 488 | 16.012,61 | 32,81 | 6 |
| 2018 | 501 | 15.938,16 | 31,81 | 6 |
| 2019 | 470 | 15.999,03 | 34,04 | 5 |
| 2020 | 412 | 13.357,60 | 32,42 | 4 |
| 2021 | 423 | 13.271,83 | 31,38 | 4 |
| 2022 | 377 | 13.108,94 | 34,77 | 4 |
| 2023 | 406 | 12.947,41 | 31,89 | 5 |
| 2024 | 421 | 13.918,03 | 33,06 | 6 |
| totale | 6.425 | 201.503,79 | 31,36 | 68 |