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Timelapse of contagion ratios. The average ratio is plotted against year for the top 30 ranked languages of 2019. Colored cells indicate a ratio higher than 0.5 whereas ratios below 0.5 are colored in white. Table 2 shows the top 10 languages with the highest average contagion ratio per year, while Table 3 shows the bottom 10 languages with the lowest average contagion ratio per year
