Its inaugural year in 2002 saw its best sales. It is estimated that the product was purchased by about 29% of all United States households that year. It still remains popular along with its flavored partner, Cherry Coca-Cola. Doubt was cast over the future of Vanilla Coke and its splinter beverages when the company announced the 2004 sales figures: 35 million unit cases in North America compared to 90 million in 2002; Vanilla Diet Coke dropped from 23 million unit cases in its inaugural year (2003) to 13 million in 2004.