Exactly.
And this graph illustrates how a graph can be misleading.
It is a steep increase on the graph, making it look scary.
But the amount of increase is just 10 parts per MILLION, which is almost nothing.
Man is responsible for 3.4% of that 0.04%
The total amount of anthropogenic CO2 In the atmosphere is therefore 0.0014%
Completely eliminate man's contribution and the Earth's atmosphere still contains 0.04% CO2.