| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 151 | 2.926,34 | 19,38 | 2 |
| 2007 | 20 | 558,01 | 27,90 | 1 |
| 2008 | 14 | 518,54 | 37,04 | 1 |
| 2009 | 45 | 648,21 | 14,40 | 2 |
| 2010 | 51 | 723,54 | 14,19 | 2 |
| 2011 | 52 | 1.204,29 | 23,16 | 2 |
| 2012 | 38 | 574,89 | 15,13 | 1 |
| 2013 | 32 | 461,71 | 14,43 | 1 |
| 2014 | 25 | 581,69 | 23,27 | 2 |
| 2015 | 37 | 590,91 | 15,97 | 1 |
| 2016 | 31 | 803,10 | 25,91 | 1 |
| 2017 | 32 | 613,50 | 19,17 | 1 |
| 2018 | 25 | 521,08 | 20,84 | 1 |
| 2019 | 391 | 6.654,24 | 17,02 | 2 |
| 2020 | 373 | 6.041,83 | 16,20 | 2 |
| 2021 | 350 | 6.127,69 | 17,51 | 4 |
| 2022 | 384 | 7.167,70 | 18,67 | 4 |
| 2023 | 549 | 11.047,16 | 20,12 | 5 |
| 2024 | 438 | 8.772,28 | 20,03 | 7 |
| totale | 3.038 | 56.536,71 | 18,61 | 42 |