Gruff vertical labels on x axis

Hi I am hoping someone would know the answer for this…I have spent so
much time on this

I used code mentioned in below

but I get the vertical labels on the top of the graph…

could someone please help me to move it to the x axis level so It would
be easy to view.

Please I would appreciate if someone could help…please see the
attached image.

Could someone pls help? I believe it would benefit lot of people