don't know about south africa but , in India the target inflation range is 2-6% which is what the inflation is most of the time

the reason for the range upper limit being so high is that its not a problem when the GDP growth rate is also high

as for Switzerland, https://www.reddit.com/r/dataisbeautiful/comments/zhqabn/oc_inflation_heatmap_for_44_european_other_dm_and/izr0qam?utm_medium=android_app&utm_source=share&context=3