22 years, Ukraine

40 years, Moscow, Russia

43 years, Moscow, Russia

59 years, Moscow, Russia

33 years, Аркадак, Russia

23 years, Russia

27 years, Chelyabinsk, Russia

20 years, g. Karpinsk (Sverdlovskaya oblast′), Russia

16 years, Russia

55 years, Kazakhstan

53 years, Russia

53 years, Russia

56 years, Russia

41 years, Czech Republic

31 years, Дубна, Russia

43 years, Moscow, Russia

46 years, Stokgol′m, Sweden

42 years, Canada

25 years, Belarus

30 years, Russia