how to copy one data table into another with customize ways

Series_name Age value

Per_03 5.00 13.7000 Per_03 5.50 13.6000 Per_03 6.00 13.6000 Per_03 6.50 13.6000 Per_03 7.00 13.6000 Per_03 7.50 13.7000 Per_03 8 13.8000 Per_10 5.00 14.2000 Per_10 5.50 14.1000 Per_10 6.00 14.0000 Per_10 6.50 13.9000 Per_10 7.00 14.0000 Per_10 7.50 14.1000 Per_10 8.00 14.2000 Per_25 5.00 14.5000 Per_25 5.50 14.6000 Per_25 6.00 14.5000 Per_25 6.50 14.6000

I have datatable like this and i Have to make each different series name as datacolunm and their respective value into their age, series name column row-wise