| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 435 | 10.499,85 | 24,14 | 3 |
| 2007 | 285 | 8.631,79 | 30,29 | 2 |
| 2008 | 322 | 9.067,83 | 28,16 | 2 |
| 2009 | 339 | 11.346,45 | 33,47 | 5 |
| 2010 | 442 | 9.712,72 | 21,97 | 4 |
| 2011 | 309 | 6.297,31 | 20,38 | 2 |
| 2012 | 330 | 7.718,30 | 23,39 | 3 |
| 2013 | 77 | 2.224,71 | 28,89 | 2 |
| 2014 | 124 | 3.917,80 | 31,60 | 2 |
| 2015 | 131 | 4.276,51 | 32,65 | 4 |
| 2016 | 139 | 4.954,03 | 35,64 | 3 |
| 2017 | 108 | 4.116,10 | 38,11 | 3 |
| 2018 | 131 | 4.313,14 | 32,92 | 3 |
| 2019 | 139 | 4.652,72 | 33,47 | 4 |
| 2020 | 116 | 2.824,26 | 24,35 | 3 |
| 2021 | 86 | 2.407,24 | 27,99 | 3 |
| 2022 | 57 | 1.293,35 | 22,69 | 1 |
| 2023 | 63 | 1.553,02 | 24,65 | 2 |
| 2024 | 62 | 2.798,72 | 45,14 | 2 |
| totale | 3.695 | 102.605,85 | 27,77 | 53 |