This graph illastrates how many hours students spend in a week in reading Math, English, History and shows data from 2000 to 2020. Green line with triangles, blue lines with dots and red lines with squares indicate studying History, English and Math par week accordingly.
Overall, studying hours in History and Math increased and English declined over the time. Students studied History ss than 10 hours per week in 2000 which rose in 2005. After dropping in the middle it surged again in 2010 and this increasement continued until 2015. In 2020 it reached its highest peak with more than 21 hours in a week.
Although there are some flactuations ,the number of hours students spent studing Maths per week soared over time.
By contrast, the studing hours declined in the case of English. It went up in 2005, but dropped in 2010. Following some changes, it ultimately decreased in 2020.