However, the epidemic has showed an increasing trend since 2012.
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The sentences
They accounted for 58.32%, 28.62%, and 8.92% of all new infections in 2009, and 64.81%, 25.17%, and 6.54% in 2013, respectively, with an increasing trend in MSM and a decreasing trend in heterosexuals or IDUs ( Table 3 ) [ 2 , 3 , 4 ].