insert into test select '1','10'
insert into test select '2','6'
insert into test select '3','8'
insert into test select '4','8'
insert into test select '5','8'
insert into test select '6','6'
insert into test select '7','10'
insert into test select '8','10'
insert into test select '9','10'
insert into test select '10','13'
select click from test group by click order by count(*) desc