In this paper, we define the totally ramified value number (TRVN) of the Gauss map of a complete minimal surface, and prove that there exist algebraic minimal surfaces that have the TRVN equal to $2.5$.
"On the totally ramified value number of the Gauss map of minimal surfaces." Proc. Japan Acad. Ser. A Math. Sci. 82 (1) 1 - 3, Jan. 2006. https://doi.org/10.3792/pjaa.82.1