The graph illustrates the rate of English learning in different ways by 3 countries in 5 years from 2010.

The chart illustrates the proportions of studying English in different ways of 3 nations over the course of five years starting from 2010. Overall, the evening class saw a downward trend while the opposite was true for others. However, studying in the evening registered the highest level, whereas the bottom position belonged to online and overseas. In the initial research year, the rate of an evening class in country A recorded at 70%, then slightly decreased to 67% in 2017, at nearly a triple, followed by that abroad with 23%. However, the proportion of online classes increased as double as to 10% in the last period. Following a similar trend, evening classes in country C recorded at 94% and started to descend 12% five years later. In contrast, both online and abroad witnessed a steady increase, the former is 9% and the latter is 3%. Last but not least, the data of studying at night experienced a dramatic declined from 72% to 48%, whereas the proportion of online increased as a double-double in 2015. However, the abroad in 5 years remain on the same level.