Passage: Donetsk Sergei Prokofiev International Airport (Ukrainian: Міжнародний аеропорт "Донецьк") (IATA: DOK, ICAO: UKCC) is a nonoperational airport located 10 km (6.2 mi) northwest of Donetsk, Ukraine, that was destroyed in 2014 during the War in Donbass. It was built in the 1940s and 1950s and rebuilt in 1973 and again from 2011 to 2012. The airport is named after 20th-century composer Sergei Prokofiev, who was a native of Donetsk Oblast.

Question: How recently was he Donestk Sergei Prokofiev International Airport rebuilt?
2011 to 2012