• Health behaviour in school-aged children 2002, student response to question: Are you …
• Exposure to second-hand smoke at home, by age group and sex, non-smoking …
• United States Consumer Price Index (CPI), monthly [2007 - 2009]
• Health behaviour in school-aged children 2002, student response to question: Generally speaking, …
• United States Consumer Price Index (CPI), monthly [1913 - 2006]