How the agriculture, manufacturing, business and financial services contributed to British economy

Contribution of selected sectors to the UK economy in the 20th century

The graph illustrates data about how the agriculture, manufacturing, and business and financial services contributed to British economy from 1900 to 2000. Overall, the contribution of agriculture and manufacturing declined, whereas the trend of business and financial services increased gradually throughout the entire period.

It is clearly seen that in the first half of the twentieth century, Agricultural had a significant contribution to United Kingdom economy. It contributed more than 50% of whole economy. However, this situation reversed in the last fifty years. It decreased dramatically to 10% in 1975 and downed to the least was only 2% in 2000.

Similarly, the contribution of manufacturing declined in the entire period, but more steadily. It reached a peak was 47% in 1900 and dropped slightly to 40% and 35% in 1950 and 1975. In the last quarter of century, this trend fell suddenly to only 15%.

In contrast, business and finance services were becoming more and more important part of UK economy. In 1900 business and finance services contributed only 4% of whole economy. Subsequently, it rose gradually to 10% and 20% in the 1950 and 1975. In the last 25 years, this trend went up dramatically to about 40% and became more significant part in UK economy.

Please help me with this essay. I appreciate your help.

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General Advice
1. Compare all items based on years, rather than describing each in different years。
2. Pay attention to your prepositions。
3. Don't include the intro and overview in the same paragraph。
4. misused words：reverse，similarly，become more important【not become more and more important part】，subsequently，trend cannot go down to specific figures，become a more significant part【part is countable nouns】

This writing probably will be marked as 6-6.5 which will drag your overall score down.

@zcs2008china
Thank you so much. I will more practice.
Do you think this part "this situation reversed in the last fifty years" -> "this pattern is reversed in the last fifty years" is better ?