These graphs cannot differ in accuracy because there are even no numerical values there. I've tried researching on my own, and it's tough. The bottom line is that research takes a lot of time, money, and effort, and due to incorrect initial data, you can waste time. Therefore, it is much more profitable to buy ready-made studies. For example, I have been going to open several laboratories for a long time, and I need to study the entire market in detail. Market research of chemicals from marketresearchfuture (
https://www.marketresearchfuture.com/categories/chemicals-market-report) helps me in this.