CREATE TABLE table_39333 ("Year" FLOAT, "Record" TEXT, "Regular Season Finish" TEXT, "Playoffs" TEXT, "Avg Attend." FLOAT)

Name the total number of years for quarterfinals
SELECT COUNT("Year") FROM table_39333 WHERE "Playoffs" = 'quarterfinals'
SELECT COUNT("Year") FROM "table_39333" WHERE "Playoffs" = 'quarterfinals'