| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 669 | 15.314,27 | 22,89 | 3 |
| 2007 | 258 | 12.272,61 | 47,57 | 2 |
| 2008 | 207 | 10.325,43 | 49,88 | 2 |
| 2009 | 216 | 8.383,33 | 38,81 | 3 |
| 2010 | 227 | 7.307,88 | 32,19 | 3 |
| 2011 | 207 | 6.421,75 | 31,02 | 2 |
| 2012 | 178 | 5.132,36 | 28,83 | 5 |
| 2013 | 167 | 4.993,47 | 29,90 | 5 |
| 2014 | 169 | 5.947,75 | 35,19 | 5 |
| 2015 | 97 | 3.118,76 | 32,15 | 4 |
| 2016 | 83 | 2.989,93 | 36,02 | 4 |
| 2017 | 68 | 2.634,30 | 38,74 | 4 |
| 2018 | 67 | 2.570,03 | 38,36 | 4 |
| 2019 | 40 | 961,90 | 24,05 | 3 |
| 2020 | 36 | 946,57 | 26,29 | 3 |
| 2021 | 50 | 1.622,13 | 32,44 | 4 |
| 2022 | 54 | 1.225,50 | 22,69 | 4 |
| 2023 | 56 | 1.576,82 | 28,16 | 4 |
| 2024 | 81 | 2.097,90 | 25,90 | 5 |
| totale | 2.930 | 95.842,69 | 32,71 | 69 |