Simultaneously, investment grew threefold and domestic savings quintupled. At the same time, investment grew threefold and domestic savings quintupled. Over the next five years, revenues quintupled to $1 billion by 2000. White also quintupled NAACP membership to nearly 500,000. In 1910, Floridsdorf already had 62,154 inhabitants, its population since 1869 having more than quintupled. Its area almost quintupled since antiquity. World GDP per person quintupled during the 20th century. Within three decades of incorporation, the city's population had nearly quintupled. Cabot's population has more than quintupled from the 1980s to today. Debt financing proved difficult to manage even as sales revenue quintupled. Since that time, the population has more than quintupled, with explosive growth in new subdivisions. Asiaweek" reported in August 1994 that under Ramos, "family planning funding has quintupled. By 1995, the HMO had quintupled its membership to over one million. By mid-October this number had almost quintupled to 100,000 videos. Within five years of Robinson's appointment they had quintupled from the low of 1923.