This is on me using Google, but the international nautical flags say the letters are RI_UK. The space for number 3 meaning there was no flag of that design that represents a letter. Unfortunately, I don't think it means anything. Kind of a missed opportunity.
Federal spending on health care in 2015. The Congressional Budget Office and the Office of Management and Budget estimate that the federal government will spend more than $980 billion on health care in fiscal year 2015 (see table 1).
The Congressional Budget Office says that federal spending for major health care programs and Social Security are on track to 14 percent of the gross domestic product by 2038, twice the 7 percent average of the past 40 years.