Figures & data
Figure 1. Trends in Selected Key Themes, 1970–2020.
Note: Figure generated using ngramr and ggplot2 packages in R 4.2.1.Footnote27
![Figure 1. Trends in Selected Key Themes, 1970–2020.Note: Figure generated using ngramr and ggplot2 packages in R 4.2.1.Footnote27](/cms/asset/b042b04a-dbed-476a-8463-10dd8e403304/fjps_a_2163164_f0001_oc.jpg)
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Figure 1. Trends in Selected Key Themes, 1970–2020.
Note: Figure generated using ngramr and ggplot2 packages in R 4.2.1.Footnote27
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