Average scale scores and percentages for grade 4 reading, by time per week on language arts, sex and jurisdiction: 2011, 2009, 2007, and 2005
Year	Jurisdiction	Sex	Less than 3 hours		3-4.9 hours		5-6.9 hours		7-9.9 hours		10 hours or more
Year	Jurisdiction	Sex	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage
NOTE: The NAEP Reading scale ranges from 0 to 500. Detail may not sum to totals because of rounding. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005, 2007, 2009, and 2011 Reading Assessments.
2011	National	Male	208	3	214	7	219	13	221	30	217	47
2011	National	Female	216	3	223	7	227	13	227	30	223	47
2009	National	Male	209	3	215	7	221	13	220	31	217	47
2009	National	Female	217	3	222	6	227	14	226	31	224	47
2007	National	Male	212	3	213	7	222	15	221	30	216	45
2007	National	Female	220	3	220	7	227	15	228	30	223	45
2005	National	Male	213	2	216	7	219	16	219	31	213	44
2005	National	Female	220	2	220	7	225	17	225	31	220	44