- data have;
- input x $30.;
- cards;
- fcsworkhard
- 风01a
- duanweiyu_2001
- duanweiyu_2001
- Accountingfang
- ltx5151
- henry_112358
- fcsworkhard
- henry_112358
- Accountingfang
- duanweiyu_2001
- whachel1976
- admin
- 风01a
- guo.bailing
- fcsworkhard
- guo.bailing
- fcsworkhard
- admin
- duanweiyu_2001
- Accountingfang
- admin
- admin
- ;
- proc sql;
- select x,count(*) as n from have
- group by x;
- quit;


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