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The junk market , which mushroomed to $ 200 billion from less than $ 2 billion at the start of the decade , has been declining for months as issuers have stumbled under the weight of hefty interest payments .
 money: $ 200 billion; money: less than $ 2 billion; date: the start of the decade; date: months
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: $ 200 billion, less than $ 2 billion, the start of the decade, months 
Answer:
 money: $ 200 billion; money: less than $ 2 billion; date: the start of the decade; date: months