Database: world_development_indicators
Question: In which years does the country whose Alpha2Code is 1A have a result of the indicator Adolescent fertility rate?
SQL: SELECT T2.Year FROM Country AS T1 INNER JOIN Indicators AS T2 ON T1.CountryCode = T2.CountryCode WHERE T1.Alpha2Code = '1A' AND T2.IndicatorName = 'Adolescent fertility rate (births per 1,000 women ages 15-19)'