SQL> create table abc as select object_id,object_name from user_objects where 0=1;

Table Created

SQL> alter table abc monitoring;

Table altered.

-- Oracle's view built on mon_mods$
SQL> select count(*) from dba_tab_modifications where table_name = 'ABC';

no rows selected

-- Insert Rows
SQL> insert into abc select object_id,object_name from dba_objects where rownum <= 5000;

5000 rows created.

SQL> commit;

commit complete.

-- I don't want to wait and so flush the stats from memory to disk

SQL> exec dbms_stats.flush_database_monitoring_info

SQL> select table_name,inserts from dba_tab_modifications where table_name = 'ABC';

TABLE_NAME           INSERTS
----------          ---------
ABC                    5000

-- Collect stats
SQL> dbms_stats.gather_table_stats'ODS','ABC', cascade=>true, method_opt=>'for all indexed columns size auto')

SQL> select table_name,inserts from dba_tab_modifications where table_name = 'ABC';

no rows selected