This table contains 216 series, with data for years 2002 - 2002 (not all combinations necessarily have data for all years), and was last released on 2010-03-30. This table contains data described by the following dimensions (Not all combinations are available): Geography (1 items: Canada ...) Sex (2 items: Males; Females ...) Age group (3 items: 11 years; 13 years; 15 years ...) Period of time (4 items: During class time; Outside of school while participating in informal activities or on your own or with friends; During free time at school; Outside of school while participating in lessons or in a league or part of team sports ...) Student response (9 items: None at all; About half an hour; About 2 hours; About 1 hour ...).