The graph demonstrates the hours of teaching yearly by each teacher in four countries in 2001.
Overall, what stand out of graph that, upper secondary teachers have a best figure in 3 countries such as Japan, Spain and Usa, while primary and lower secondary teachers almost saw similar results in that year.
Looking at the upper secondary teachers in three countries do not almost stand out with a significant amount.there are around 1000 hours in Usa and Spain ,and around 700 hours spended per year, while in canada it stands in second place.
Regarding primary and lower secondary teachers, there are almost stand out in the same position in every countries In Usa theyr stand between 1000 and 850 hours and in Ireland it changed from 600 to 800 hours ,while other countries like Japan and Spain stand out in similar position at 600 hours per years.