1[{ 2 "year": 2005, 3 "income": 23.5, 4 "expenses": 18.1 5}, { 6 "year": 2006, 7 "income": 26.2, 8 "expenses": 22.8 9}, { 10 "year": 2007, 11 "income": 30.1, 12 "expenses": 23.9 13}, { 14 "year": 2008, 15 "income": 29.5, 16 "expenses": 25.1 17}, { 18 "year": 2009, 19 "income": 24.6, 20 "expenses": 25 21}]