case strtoint(tc.fieldbyname('income_group').asstring) of
1: tc.fieldbyname('drg_group').asstring := '02';
2: tc.fieldbyname('drg_group').asstring := '09';
3: tc.fieldbyname('drg_group').asstring := '02';
4: tc.fieldbyname('drg_group').asstring := '01';
5: tc.fieldbyname('drg_group').asstring := '04';
6: tc.fieldbyname('drg_group').asstring := '03';
7: tc.fieldbyname('drg_group').asstring := '03';
8: tc.fieldbyname('drg_group').asstring := '09';
9: tc.fieldbyname('drg_group').asstring := '09';
10: tc.fieldbyname('drg_group').asstring := '09';
11: tc.fieldbyname('drg_group').asstring := '04';
12: tc.fieldbyname('drg_group').asstring := '05';
13: tc.fieldbyname('drg_group').asstring := '04';
14: tc.fieldbyname('drg_group').asstring := '09';
15: tc.fieldbyname('drg_group').asstring := '06';
16: tc.fieldbyname('drg_group').asstring := '07';
17: tc.fieldbyname('drg_group').asstring := '09';
end;