Напиши Overall (Task 1)

The line graph below shows renewable energy total consumption and major sources (Wood, Hydroelectric Power, Biofuels, Wind) in quadrillion Btu from 1949 to 2008. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Твоя задача: напиши только OVERALL (второй абзац) — 1–3 предложения с главными тенденциями без конкретных цифр.