transcript_id   transcript_length       gc_count        gc_content
ID01 some description 01        70      48      0.6857
ID02 some description 02        280     184     0.6571
ID03 some description 03        140     81      0.5786
ID04 some description 04        70      37      0.5286
ID05 some description 05        70      41      0.5857
ID06 some description 06        140     75      0.5357
ID07 some description 07        70      33      0.4714
ID08 some description 08        70      38      0.5429
ID09 some description 09        70      34      0.4857