Table 1a: BAEP Data: Relative Frequency by Laboratory, and Cumulative Frequency

Centre	Freq.	Percent	Cum.
FI	77	15.22	15.22
MIBST	149	29.45	44.66
MIMAN	39	7.71	52.37
NO	86	17.00	69.37
PD	50	9.88	79.25
RMBGS	37	7.31	86.56
RMSP	50	9.88	96.44
UD	18	3.56	100.00
Total	506	100.00