Nikyu (2nd Degree Brown Belt) consists of 30 Self Defense Techniques and 14 Variations & 2 Katas.
This is the middle of the intermediate levels and the time requirement for Nikyu (2nd Degree Brown Belt) varies from person to person, since each person advances at their own rate and is tested individually.
At this point in the students training they have learned 329 Self Defense Techniques and Variations & 11 Katas.