Table:
text: High-speed rail in Europe
Bulgaria
Bulgaria
Line Speed Length_ Construction_begun Expected_start_of_revenue_services
Svilengrad -Turkish Border 200km/h 19km 2010 2012
Dimitrovgrad - Svilengrad 200km/h 70km 2012 2013
Plovdiv - Burgas 200km/h 291km 2010 2013
Sofia - Plovdiv 200km/h 156km 2010 2015
Sofia - Radomir 200km/h 53km 2014 2017
Sofia - Dragoman 200km/h 44km 2014 2017
Vidin - Sofia 200km/h 222km Unknown 2020

Question: What is the speed at start of construction in 2010 and expected start of revenue services in 2015 for high speed trains in Europe?

Question: If the expected start of revenue for high speed trains in Europe is more than 2017, how long will it take?