$\backslash$table$[[$Person$,$Status$],[$Allen$,$Unpaid stay$-$at$-$home dad. Has not looked for a job in several years$],[$Ben$,$College president$],[$Allison$,$Part$-$time welder. Actively looking for full$-$time work$],[$Brittany$,$Self$-$employed full$-$time wedding singer$],[$Cathy$,$Full$-$time physician's assistant$],[$Calvin$,$Retired finance professor. Last applied for work $10$ weeks ago$],[$Diane$,$Laid$-$off fork$-$lift operator expecting to be recalled$],[$David$,$Works for a bicycle store. Age $70],[$Evelyn$,$Manager of health food store$],[$Eli$,$Museum guard. Was not at work last week due to illness$],[$Flora$,$Has never been employed. Looked for a job last week$],[$Frank$,$Fired from job as an investment banker. Last looked for work three weeks ago$]]$

Refer to Table $28-1.$ How many in the sample are unemployed?