Net proton dN/dy at about y=0.

PHOBOS
Npart  dN/dy   error
=====  =====   =====
88     2.18391 0.338506
175    4.64248 0.719584
294    8.30276 1.28693 

PHENIX
Npart  dN/dy   error
=====  =====   =====
74.4   0.8     0.125
114.2  1.4     0.184906
166.6  2.2     0.298765
215.3  2.7     0.382075
253.9  3.3     0.464063
299.0  3.9     0.535294
351.4  4.9     0.692391