Planeta DeAgostini has announced in the Barcelona manga convention that they're starting a yuri line with five series:

• Bloom Into You
• Girl Friends
• Netsuzou Trap
• Octave
• The Feelings We All Must Endure

This is an unprecendented move since while the manga industry has always been rather active in Spain, with 600-800 volumes per year through its best periods such as nowadays, only a handful of yuri or yuri-related mangas had been published so far. However, the genre has been on the rise in recent years.

• Miyuki-chan in Wonderland (Ivrea, 2002)
• Blue (Ponent Mon, 2004)
• Sweet Blue Flowers (Milky Way, 2015-16)
• Akuma no Riddle (Ivrea, 2016-17)
• Citrus (Ivrea, 2016-19)
• Gamma (Ivrea, 2017-18)
• Shimanami Tasogare (Tomodomo, 2017-18)
• My Lesbian Experience with Loneliness (Fandogamia, 2018)
• Exchanges Diaries by Myself (Fandogamia, 2018-19)

last edited at Nov 4, 2018 1:19AM

I have to say something, is not volumes, is LICENSES, so maybe a license have 3 or 4 or even more tomes that year.
You can check it here in spanish.