As an AI researcher, I am experienced in extracting and visualizing data from CSV files similar to yours. Throughout my research, I have conducted numerous experiments involving plotting and visualizing data, which have been published in academic journals. I am confident that I can improve upon your current task and make changes until you are satisfied with the final result. I would be happy to provide you with samples of my previous work involving data visualization and analysis. Please feel free to send me a message, and I will be sure to share relevant examples with you.