Hi Stephen, My name is Tina and I I am doing an internship in a renewable energy company. I would like to use your graph for an internal analysis to put an eye on the dependency on the oil price. Thanks for your answer to my request. Have a nice day, Tina Reply
Stephen Leahy, International Environmental Journalist 
Hi Stephen,
My name is Tina and I I am doing an internship in a renewable energy company. I would like to use your graph for an internal analysis to put an eye on the dependency on the oil price.
Thanks for your answer to my request.
Have a nice day,
Tina