| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 400 | 7.293,72 | 18,23 | 3 |
| 2007 | 452 | 9.827,11 | 21,74 | 3 |
| 2008 | 412 | 7.821,87 | 18,99 | 3 |
| 2009 | 311 | 6.050,22 | 19,45 | 4 |
| 2010 | 365 | 5.817,83 | 15,94 | 5 |
| 2011 | 405 | 6.283,60 | 15,52 | 5 |
| 2012 | 553 | 10.718,89 | 19,38 | 7 |
| 2013 | 431 | 8.957,32 | 20,78 | 10 |
| 2014 | 683 | 15.880,13 | 23,25 | 10 |
| 2015 | 592 | 12.779,61 | 21,59 | 7 |
| 2016 | 600 | 13.615,53 | 22,69 | 7 |
| 2017 | 632 | 14.141,60 | 22,38 | 9 |
| 2018 | 632 | 13.950,81 | 22,07 | 9 |
| 2019 | 751 | 15.882,22 | 21,15 | 10 |
| 2020 | 777 | 17.226,18 | 22,17 | 10 |
| 2021 | 784 | 15.704,47 | 20,03 | 10 |
| 2022 | 819 | 17.766,59 | 21,69 | 9 |
| 2023 | 784 | 15.309,02 | 19,53 | 9 |
| 2024 | 864 | 17.561,47 | 20,33 | 14 |
| totale | 11.247 | 232.588,19 | 20,68 | 144 |