BarnPlot:
| "beginner_1"
| "beginner_2"
| "beginner_3"
| "beginner_4"
| "intermediate_1"
| "intermediate_2"
| "intermediate_3"
| "intermediate_4"
| "advanced_1"
| "advanced_2"
| "advanced_3"
| "advanced_4"
| "advanced_5"
| "advanced_6"
| "advanced_7"
| "advanced_8"
| "advanced_9"
| "advanced_10"
| "advanced_11"
| "advanced_12"
| "expert_1"
| "expert_2"
| "expert_3"
| "expert_4"