Complex sentence: In the 2004 legislative elections, held on 28 and 30 March 2004, it was the largest single political party, winning 31.45% of the popular vote and 45 out of 102 seats.
Split into simpler sentences: In the 2004 legislative elections it was the largest single political party. At the last legislative elections, 28 and 30 March 2004, the party won 31.4% of the popular vote and 45 out of 102 seats.