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Ransomware attacks in particular continue to increase rapidly : 41 % of respondents reported that ransom was the top motivator behind the cyber attacks they experienced in 2016 .
 2016: time
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 2016: time