7407
The national total production volume of disposable energy resources was 2 % higher than that of last year .
 percent: 2 %; date: last year
Please list all entity words in the text that fit the category.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} 
Answer:
 percent: 2 %; date: last year