Complete the description of the changes to Line B in the graph using the words in the box.

After it (1) from 30% in (2) to (3) in 2010, line B (4) up by another 20% between 2010 and 2015. This was its highest point. It started to (5) in 2015, going (6) to 40% in (7) . It will (8) to 50% in 2025, and then will (9) to 45% in 2030.