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. 2021 Mar 31;10(1):15. doi: 10.1140/epjds/s13688-021-00271-0

Table 2.

Top 10 languages with the highest annual average contagion ratio (sorted by 2019)

Language 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Greek 0.01 0.05 0.07 0.20 0.42 0.65 0.83 1.11 1.29 1.42 1.27
French 0.02 0.10 0.13 0.22 0.34 0.56 0.76 0.94 1.09 1.40 1.37
English 0.03 0.14 0.20 0.31 0.37 0.56 0.71 0.91 1.15 1.44 1.44
Spanish 0.03 0.16 0.21 0.31 0.42 0.62 0.82 0.94 1.24 1.54 1.52
Korean 0.05 0.11 0.14 0.26 0.30 0.43 0.66 1.28 1.74 2.22 2.07
Catalan 0.01 0.08 0.12 0.21 0.30 0.52 0.74 0.98 1.80 2.44 2.10
Urdu 0.03 0.25 0.25 0.19 0.26 0.64 0.82 0.95 1.51 2.67 2.90
Tamil 0.01 0.04 0.10 0.16 0.22 0.54 0.82 1.30 1.84 2.40 2.96
Hindi 0.01 0.03 0.06 0.15 0.38 1.14 2.26 2.81 3.09 3.58 3.29
Thai 0.07 0.24 0.18 0.32 0.79 2.01 2.54 3.35 5.31 6.52 7.29