How to Convert Matrix format data into tabular format data

Hi Team,

I want to convert data in matrix format into tabular (database) format. Please suggest technical way to handle it. currently, I have to do copy & paste data to populate data in table (database format). Will be grateful. Thanks & Regards. Nishchint.

INPUT DATA

Article	Article Description	Site 1	Site 2	Site 3	Site 4
108020365	BRITANNIA BISC 50 50 113G	231	8	5	7
108020368	BRITANNIA BISC 50*50 FP 151g	335	15	20	15
108020392	BRITANNIA BISC DIGESTIVE 100G	167	10	10	5
108020402	BRITANNIA BISC GDAY PISTA 185G	405	23	10	24
108020419	BRITANNIA BISC NICE TIME 160G	545	25	20	36
108020432	BRITANNIA BISC TIGER 61.5G	1269	53	100	70

REQUIRED OUT PUT DATA

SITE NAME	Article	Article Description	TARGET STOCK
SITE 1	108020365	BRITANNIA BISC 50 50 113G	231
SITE 1	108020368	BRITANNIA BISC 50*50 FP 151g	335
SITE 1	108020392	BRITANNIA BISC DIGESTIVE 100G	167
SITE 1	108020402	BRITANNIA BISC GDAY PISTA 185G	405
SITE 1	108020419	BRITANNIA BISC NICE TIME 160G	545
SITE 1	108020432	BRITANNIA BISC TIGER 61.5G	1269
SITE 2	108020365	BRITANNIA BISC 50 50 113G	8
SITE 2	108020368	BRITANNIA BISC 50*50 FP 151g	15
SITE 2	108020392	BRITANNIA BISC DIGESTIVE 100G	10
SITE 2	108020402	BRITANNIA BISC GDAY PISTA 185G	23
SITE 2	108020419	BRITANNIA BISC NICE TIME 160G	25
SITE 2	108020432	BRITANNIA BISC TIGER 61.5G	53
SITE 3	108020365	BRITANNIA BISC 50 50 113G	5
SITE 3	108020368	BRITANNIA BISC 50*50 FP 151g	20
SITE 3	108020392	BRITANNIA BISC DIGESTIVE 100G	10
SITE 3	108020402	BRITANNIA BISC GDAY PISTA 185G	10
SITE 3	108020419	BRITANNIA BISC NICE TIME 160G	20
SITE 3	108020432	BRITANNIA BISC TIGER 61.5G	100
SITE 4	108020365	BRITANNIA BISC 50 50 113G	7
SITE 4	108020368	BRITANNIA BISC 50*50 FP 151g	15
SITE 4	108020392	BRITANNIA BISC DIGESTIVE 100G	5
SITE 4	108020402	BRITANNIA BISC GDAY PISTA 185G	24
SITE 4	108020419	BRITANNIA BISC NICE TIME 160G	36
SITE 4	108020432	BRITANNIA BISC TIGER 61.5G	70