in a particular country over eight years period from 2000 to 2008.
in a particular country over a period of eight years, from 2000 to 2008.
In any case of a decline showing in the first five years
In any case of its decline showed in the first five years
rocketed
When describing changes, try to prevent "rocket" as this is too "sensationalist". Which exaggerates too much, and is more journalistic than report writing. I suggest that you use it with care.
GDP started at the point of $19 million in 2000, this was the second highest rate showed in the graph.
I'm not sure that it is error-free. Please check it.
A closer to the GDP's trendin the year 2006 , it had shown a slight increase
it had shown or it showed? Have you tried using Google (or another search engine) to resolve tense problems?