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Table 2 Topic allocation rate by year

From: Text mining for identifying the nature of online questions about non-suicidal self-injury

topic T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 Sum (n)
year percentage
2009 8.6 17.2 19.6 5.5 6.1 9.8 4.3 9.8 5.5 13.5 163
2010 13.5 18.7 15.8 5.8 6.4 6.4 6.4 4.7 5.8 16.4 171
2011 7.9 15.7 17.4 7.0 11.2 11.6 5.4 7.9 5.4 10.7 242
2012 11.5 12.4 19.7 6.8 10.3 9.7 5.3 5.9 5.9 12.6 340
2013 11.1 7.0 19.7 8.7 15.5 6.8 7.0 9.2 5.0 10.0 458
2014 11.8 9.4 14.7 7.9 13.6 8.1 7.0 7.3 8.9 11.3 604
2015 11.3 8.9 15.2 8.9 15.7 7.2 7.3 6.3 7.7 11.4 830
2016 9.7 6.9 16.1 9.0 16.3 9.2 5.5 8.9 7.7 10.4 997
2017 9.2 9.1 16.1 10.2 16.8 9.3 8.0 6.1 6.5 8.7 1208
2018 5.7 6.0 11.5 6.6 24.0 11.7 11.0 7.6 7.3 8.8 2880
Sum n (%) 682 (8.6) 654 (8.3) 1159 (14.7) 623 (7.9) 1422 (18.0) 768 (9.7) 654 (8.3) 582 (7.4) 558 (7.1) 791 (10.0) 7893