Shares of health care expenditures, 65-74 year olds, 1985, 1995, and 2005 Percent 1985 1995 2005 Health insurance 40.84 58.34 56.33 Medical services 34.95 18.08 17.56 Drugs 18.73 20.46 22.90 Medical supplies 5.48 3.12 3.21