what are the years of election before 2003?
1963, 1967, 1971, 1975, 1977, 1981, 1985, 1987, 1990, 1995, 1999
what are the corresponding number of votes in those years?
n.a., n.a., n.a., n.a., n.a., n.a., 865,507, 970,813, 1,509,506, 854,163, 551,009
which of those values is the smallest?
551,009