Write a commentary of 200-250 words to accompany Figure 1 / see the attached file/. Include the following elements:
Introduce the background topic
Briefly describe what the charts show
Highlight the interesting features/ trends in the data / 2 or 3 points only/
Suggest possible reasons for features/trends in the data
Evaluate the data. Note any effects, and give a short analysis of situation, including implications for the wider context
Give in-text references for the source material you use