Online learning courses appear to have been gaining increasing interest, reached almost 5 million learners by the end of the period.
appeared / reaching
In general, all types of courses underwent a steady increasing, except for literacy courses, fell slightly in 2010.
a steady increase / which fell
The numbers for both postgraduates and graduate courses started at the same point in 2008, but while the farmer showed a slight rise, the later decreased to almost zero in 2010 and then recovered back to around 2 million in 2012.
the former / the latter
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