Category	Heard	PPB	Easy %	Medium %	Hard %
Current Events	141	13.33	92%	38%	4%
Fine Arts - Classical Music	351	13.79	81%	43%	14%
Fine Arts - Other Fine Arts	364	11.65	78%	30%	8%
Fine Arts - Painting & Sculpture	367	13.51	87%	42%	6%
Geography	187	15.13	90%	53%	9%
History - American History	363	12.92	86%	36%	7%
History - European History	321	12.27	79%	40%	4%
History - Other History	392	13.42	90%	38%	7%
History - World History	347	12.10	82%	34%	5%
Literature - American Literature	308	13.12	82%	43%	6%
Literature - British Literature	353	12.24	86%	30%	7%
Literature - European Literature	340	12.71	82%	37%	8%
Literature - World Literature	378	13.44	90%	38%	6%
Mythology	152	11.84	80%	31%	7%
Other Academic	203	13.25	84%	40%	8%
Philosophy	376	11.04	73%	32%	6%
Religion	356	12.92	89%	33%	8%
Science - Biology	357	12.55	87%	26%	13%
Science - Chemistry	336	13.21	86%	38%	8%
Science - Other Science	393	12.70	85%	36%	6%
Science - Physics	324	14.88	91%	50%	8%
Social Science	345	12.26	88%	28%	6%