data crackman;
input year acount@;
cards;
2000   345
2000   356
2000   349
2000   352
2001   370
2001   365
2001   358
2001   362
;
run;
/*SQL SUM函数*/
/*
proc sql;
create table SumByYear as select year,sum(acount) as sum label="年度销量汇总" from crackman group by year;
quit;
*/
/*proc transpose*/
/*
proc transpose data=crackman out=TSumByYear;
by year;
var acount;
run;
data TSumByYear;
set TSumByYear;
drop _name_;
sum=sum(of col:);
label
year="销售年度"
sum="年度销量汇总";
drop col:;
run;
*/

非常感谢！！！