A history of rising payouts has made this a favorite among income investors.There are growth investors. There are value investors. And then there are some investors who only want dividends.When you're looking for businesses that send their shareholders a check every three months, it helps if the company dominates its industry. It's also beneficial if it has a long and steady history of payouts.Procter & Gamble (PG 0.54%) passes this test with flying colors. In fact, it just raised its dividend for a whoppin ...