Creating Chart in ABAP

REPORT ZZ__GRAPH .

DATA: BEGIN OF ITAB_DATA OCCURS 0,

DATANAME(15),

QUANTITY1 TYPE I,

QUANTITY2 TYPE I,

QUANTITY3 TYPE I,

END OF ITAB_DATA,

BEGIN OF ITAB_OPTIONS OCCURS 0,

OPTION(20),

END OF ITAB_OPTIONS.

ITAB_DATA-DATANAME = 'Electricity'.

ITAB_DATA-QUANTITY1 = 55.

ITAB_DATA-QUANTITY2 = 62.

ITAB_DATA-QUANTITY3 = 59.

APPEND ITAB_DATA.

ITAB_DATA-DATANAME = 'Gas'.

ITAB_DATA-QUANTITY1 = 35.

ITAB_DATA-QUANTITY2 = 52.

ITAB_DATA-QUANTITY3 = 44.

APPEND ITAB_DATA.

ITAB_DATA-DATANAME = 'Water'.

ITAB_DATA-QUANTITY1 = 18.

ITAB_DATA-QUANTITY2 = 22.

ITAB_DATA-QUANTITY3 = 19.

APPEND ITAB_DATA.

CALL FUNCTION 'GRAPH_MATRIX_3D'

EXPORTING

COL1 = 'Jan'

COL2 = 'Feb'

COL3 = 'Mar'

TITL = 'Utility Expenses in US$.'

TABLES

DATA = ITAB_DATA

OPTS = ITAB_OPTIONS

EXCEPTIONS

OTHERS = 1.