因为失业的问题，去年全年，该国经济表现低迷，经济增长倒退5.6%。

因为失业的问题，去年全年，该国经济表现低迷，经济增长倒退5.6%。

Results (English) 1:

Due to unemployment, the country’s economic performance was sluggish throughout the year, and economic growth fell back by 5.6%.

Results (English) 2:

Because of unemployment, the country's economic performance was in the doldrums last year, and its economic growth fell by 5.6%.

Results (English) 3:

Because of unemployment, last year, the country's economic performance was sluggish, and its economic growth declined by 5.6%.