The pie diagram illustates three different method used for learn english-evening class, online and abroad in three countries-contry A, country B, country C- between 2010 and 2015.
Overall, in every countries between both years 2010 and 2015 have same dominant method which is evening class, even though the trend for evening class for three countries have declined trend, in country A decreased by 3%, in country B by 24% and for country C decreased by 12%.
In contrast online course in three countries rose over time, county A rose by 5%, country B for about 24% and country C with only rose 9%. Although online class have little upward trend this doesnt automatically make it in second position just below evening class, we can infer that from data shows in A with only 10% rate for online class which is the lowest percentage from all three methods.
Study abroad have the most stable rate in three countries between both years with not having any significant changes.