what is the ending years for tenure of all the different people's republic of china president's include currently serving?
27 april 1959, 21 october 1968, 17 january 1975, 8 april 1988, 15 march 2003, 14 march 2013, incumbent
which year is most recent or currently serving?
incumbent
who is the president associated?
xi jinping
who was this president's wife?
peng liyuan