CREATE TABLE table_25443 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Opponent in final" TEXT, "Score in final" TEXT)

What is the year where the runner-up outcome was at its basic minimum?
SELECT MIN("Year") FROM table_25443 WHERE "Outcome" = 'Runner-up'
SELECT MIN("Year") FROM "table_25443" WHERE "Outcome" = 'Runner-up'