Let's look at the numbers, in 2011, WP = 41.01%, PAP = 54.54% and SDA = 4.45% (equivalent to 1387 Votes)
in 2013 BE We have WP = 54.52%, PAP = 43.71% , SDA = 0.57% and RP = 1.2% (3rd party votes Total = 168+353 = 521 Votes)
From this results, we can clearly see that the spoilers ate into...