CREATE TABLE table_200_32 (id DECIMAL, "year" DECIMAL, "w" DECIMAL, "l" DECIMAL, "t" DECIMAL, "finish" TEXT, "coach" TEXT)

in what year did the muncie flyers have an undefeated record ?
SELECT "year" FROM table_200_32 WHERE "l" = 0
SELECT "year" FROM "table_200_32" WHERE "l" = 0