Analyze partition table

 Hello,I have a GL table(F0911) with range partition based on gldate and 20 indexes are there.the table  size of  F0911  is 85.414 GB and record count is 54118089 rows.

out of following option,which is the recommend analyze table with less elapsed time.

analyse table crpdta.f0911 compute statistics; -----------time consuming

or 

analyse table crpdta.f0911 estimate statistics sample 20 percent;-

or

analyze each partition like

exec dbms_stats.gather_table_stats('CRPDTA','F0911','F0911_2004');

exec dbms_stats.gather_table_stats('CRPDTA','F0911','F0911_2005'); and so on

please advise