Task: Question Generation
Input (English): Passage: The total fertility rate (TFR) in Moldova was estimated in 2015 at 1.56 children/woman, which is below the replacement rate of 2.1. In 2012, the average age of women at first birth was 23.9 years, with 75.2% of births being to women under 30, and 22.4% of births being to unmarried women. The maternal mortality rate was 41 deaths/100,000 live births (in 2010) and the infant mortality rate was 12.59 deaths/1,000 live births (in 2015). The life expectancy in 2015 was estimated at 70.42 years (66.55 years male, 74.54 years female).
Output (English): How many births, in terms of percentage, belonged to women 30 or over in 2012?