Key Ideas
120 min, 150+ words. Report visual data — never give opinions.
2Structure. Intro (paraphrase) → Overview (2 main trends) → Body 1 → Body 2.
3Overview is highest-value. Naming the right 2–3 features matters more than any single number.
4Trend words. rise/increase/grow/surge; fall/decrease/decline/plummet; plateau/remain stable.