The graph provides information about the use of solar energy in four different countries which Usa, China, Japan and Germany between the period from 1995 to 2015.
Looking to an overall overview, it is clear that the highest consume of solar regarding Usa. Also, observing the chart, the consume in Usa was the only one that presented a remarkable and costant growth. Japan and Germany had similar trends on long term and China after a period of slowly growth experienced an important increase.
Specifically, the use of solar energy in Usa passed from around 8000 in 1995 to 18000 in 2015. China had a period of sightly grew from 1995 to 2005 and then reached the peak of approximately 11000 with a considerably scale up.
On the other hand Japan and Germany experienced a decrease compared to the other. Japan from 6000 to less than 4000 and Germany from nearly 2700 to 2000 remaining almost costant.
