major tick steps

Hi I am trying to find any example how to make extjs chart like this..


Attachment 40590

Does enyone have idea how i can move , or recalculate major tick steps... because if I put : majorTickSteps:20, nothing happends. or mabe it can be done to use minorTickSteps and remove major..I realy dont have idea...?

Thanks In advance.

You want all the values in the y axis?