Hi Federico,
Yes, googling and going through some of the mirror sites allowed me to get random dumps for every year. archive.org contains a lot of incremental dumps but it does not have all of them (just a bunch for 2011).
On Sun, Feb 14, 2016 at 2:13 PM, Federico Leva (Nemo) nemowiki@gmail.com wrote:
Have you already tried all the mirrors? https://meta.wikimedia.org/wiki/Mirroring_Wikimedia_project_XML_dumps#Dumps
Nemo