3150
The first ransomware attack on a phone occurred in 2013 , according to the Check Point researchers , but until now has been confined to small numbers of victims , primarily in Eastern Europe .
 2013: 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:
 2013: time