CREATE TABLE table_203_532 (id DECIMAL, "rebounds" DECIMAL, "off" DECIMAL, "def" DECIMAL, "player" TEXT, "team" TEXT, "date" TEXT, "opponent" TEXT, "score" TEXT, "minutes played" TEXT, "points" DECIMAL, "assists" DECIMAL, "steals" DECIMAL, "blocks" DECIMAL, "20-20" TEXT, "led the league in rebounding" TEXT, "notes" TEXT)

were more records set in 1978 or 1979 ?
SELECT "date" FROM table_203_532 WHERE "date" IN (1978, 1979) GROUP BY "date" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "date" FROM "table_203_532" WHERE "date" IN (1978, 1979) GROUP BY "date" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1