CREATE TABLE table_25648 ("Year" FLOAT, "Starts" FLOAT, "Wins" FLOAT, "Top 5" FLOAT, "Top 10" FLOAT, "Poles" FLOAT, "Avg. Start" TEXT, "Avg. Finish" TEXT, "Winnings" TEXT, "Position" TEXT, "Team ( s ) " TEXT)

Name the year for avg start being 22.4
SELECT "Year" FROM table_25648 WHERE "Avg. Start" = '22.4'
SELECT "Year" FROM "table_25648" WHERE "Avg. Start" = '22.4'