CREATE TABLE table_204_72 (id DECIMAL, "election year" DECIMAL, "# of\ constituency votes" DECIMAL, "# of\ party list votes" DECIMAL, "% of\ party list votes" DECIMAL, "# of\ overall seats won" TEXT, "+/-" DECIMAL)

which year had less votes ,1994 or 2009 ?
SELECT "election year" FROM table_204_72 WHERE "election year" IN (1994, 2009) ORDER BY "# of\nconstituency votes" LIMIT 1
SELECT "election year" FROM "table_204_72" WHERE "election year" IN (1994, 2009) ORDER BY "# of\nconstituency votes" NULLS FIRST LIMIT 1