Complex sentence: In 1999 the B.E. polled 2% in the Portuguese legislative election, in 2002 this rose to 3%, and in the 2005 election this rose to 6.5% which won them 8 MPs.
Split into simpler sentences: In 1999 the B.E. polled 2% in the Portuguese legislative election. In 2002 this rose to 3%, and in the 2005 election B.E. rose to 6.5% which won them 8 MPs.