The Chart Wizard produces graphs with linear scales. If you want a log scale, you can change it after creating it. Click on the graph axis you want to change to a logarithmic scale.

Figure 5 shows a line graph where the tick marks are not spaced evenly and do not appear to be an easily recognizable non-linear scale. It shows how easily our eyes can pick up this kind of ...

Graphs that are not drawn to scale mislead the reader. ... “What scale is he using?” I couldn’t imagine being able to notice 10,000 on a linear scale that included 7 billion.