The number of functions reported in
http://www.winehq.org/site/winapi_stats
for the following dlls is

d3dx9_24	308
d3dx9_25	311
d3dx9_26	315
d3dx9_27	315
d3dx9_28	320
d3dx9_29	320
d3dx9_30	320
d3dx9_31	317
d3dx9_32	322
d3dx9_33	322
d3dx9_34	322
d3dx9_35	322
d3dx9_36	325

Nevertheless, the correct number is

d3dx9_24	320
d3dx9_25	323
d3dx9_26	327
d3dx9_27	327
d3dx9_28	332
d3dx9_29	332
d3dx9_30	332
d3dx9_31	329
d3dx9_32	334
d3dx9_33	334
d3dx9_34	334
d3dx9_35	334
d3dx9_36	336