Over its seven years in production, the 411 showed a number of changes.
It showed the total number created from 1611 to 1964 to have been 3,482.
It will show the number of times each value appears.
Table 2 shows the number of these different parent families between 1971 and 1986.
A period can show numbers that are smaller than one.
"We expect the study to show numbers very close to that, if not higher."
A display sometimes shows the number that was last called for service.
Tiles can do more than just show a number, of course.
Materials showing the number can be used across the country.
The 2001 census also shows the number of people in different age groups.