The graph below displays the use of solar energy in four different countries (USA, China, Japan and Germany) from 1995 to 2015.
Overall, the use of solar energy in USA and China increased significantly, but the USA recorded the highest use of solar energy throughout the period. Meanwhile, the Japan had gradually decreased in 20 years. Then, the Germany had the lowest use of solar energy with remaining stable throughout the years.
from 1995 to 2015, the USA had dramatically increased using the solar energy from around 7,000 to 18,000. The China started at around 1,000 and experienced a gradual increased until 2005 by 1,000. After that, over the following ten years, the use of solar energy increased significantly at 9,500.
In Japan, the solar energy user had decreased gradually from 6,000 in 1995 to 3.900 in 2015. Meanwihe, in Germany showed steadly remained, but it decreased slightly in 2000 approximately to 2,000 and increased slightly in 2005 approximately 2,100.
