level_code level_text display_level selectable sort_sequence 00 All levels 0 T 4 01 Level 01 0 T 5 02 Level 02 0 T 6 03 Level 03 0 T 7 04 Level 04 0 T 8 05 Level 05 0 T 9 06 Level 06 0 T 10 07 Level 07 0 T 11 08 Level 08 0 T 12 09 Level 09 0 T 13 10 Level 10 0 T 14 11 Level 11 0 T 15 12 Level 12 0 T 16 13 Level 13 0 T 17 14 Level 14 0 T 18 16 Not able to be leveled 0 T 20 A1 Entry 0 T 1 A2 Intermediate 0 T 2 A3 Experienced 0 T 3