convert variable with year information into year variable

[caveman529]

Dear All:

May I ask how to transform the following have table to the want table right below? 

HAVE table:

patient	tcell_[year1]	tcell_[year2]	tcell_[year3]	tcell_[year4]	tcell_[year5]
A	23	34	213	45	435
C	132	213	123	345	435
D	13	123	123	435	123
E	343	1231	4325	435	345

WANT table:

patient	year	tcell
A	1	23
A	2	34
A	3	213
A	4	45
A	5	435
C	1	132
C	2	213
C	3	123
D	1	13
D	2	123
D	3	123

[Reeza · Accepted solution]

Use Proc Transpose:

SAS Learning Module: How to reshape data wide to long using proc transpose

[caveman529]

Thank you so much, this work!