You need to specify where they were served.
As many as you want, a few members have served for over 50 years.
50 years = about 18,262.1 days.
50 years = 18,262.1 days.
50 years is about 438,290.5 hours.
50*10 = 500 years
50 pounds, a pound per person
Not nearly enough.
100 years
There are 2,500 weeks in 50 years.
2,628,000,000 seconds in 50 years
50:50 ratio. they will not be happy for that many years
50 years is 600 months.