normal distribution for number of members by age

Hello ,

I am trying to find out the normal distribution of number of members against each age-group. I have use the sas code but I am not sure if its the correct one .
data totalmembers;
input year age$ members;
datalines;
1997 16-21 20.70
1997 22-29 46.70
1997 30-39 60.80
1997 40-49 64.20
1997 50-54 63.20
1997 55-59 57.80
1997 60-64 47.10
1997 65+ 12.20
1998 16-21 18.00
1998 22-29 45.60
1998 30-39 60.20
1998 40-49 64.40
1998 50-54 63.20
1998 55-59 57.90
1998 60-64 44.70
1998 65+ 12.50
1999 16-21 17.80
1999 22-29 43.40
1999 30-39 57.30
1999 40-49 62.40
1999 50-54 61.10
1999 55-59 55.10
1999 60-64 42.40
1999 65+ 10.10
2000 16-21 19.10
2000 22-29 42.20
2000 30-39 56.00
2000 40-49 61.10
2000 50-54 59.80
2000 55-59 54.20
2000 60-64 40.20
2000 65+ 10.70
;
run;
proc print;
run;

PROC UNIVARIATE DATA=totalmembers normaltest;
TITLE2 "Analysis of pension members by age";
CLASS age;
VAR members;
RUN;



I just want to find out the process I am doing is right.