Thanks Dave,this is how my data looks like:

aP Component Amplification Factor 2.5
IP Importance Factor 1.5
Rp Component Response Modification Factor 3.0
SS Mapped MCE Spectral Response 0.426
S1 Mapped Spectral Response Acceleration at 1sec 0.127
SDs The Design spectral response acceleration at short periods 0.44
SD1 Design earthquake spectral response acceleration parameter for 1st second 0.251
aH Seismic Acceleration 0.66

aH,Final Design Horizontal Seismic Acceleration 0.46