Coca-Cola has a long track record of providing dividend growth to its shareholders, finding ways to boost its payouts even when the company has gone through difficult situations, and it has averaged more than 12% in annual returns to shareholders over the past half century. The soft-drink giant is facing some tough challenges right now as it tries to navigate the changing consumer preferences among its customers, but the question that shareholders have is whether that will stop Coca-Cola from continuing its impressive history of rising dividends.