Variable im3fy : Year of opv5 immunization

Overview
Type: Continuous
Format: numeric
Width: 4
Decimal(s): 0
Range: 2001-9999
Valid case(s): 1795
Invalid: 4846
Minimum: 2001
Maximum: 9999

File: ch

Categories

Value Category
9999 Missing
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Generated: MAY-14-2008 using the IHSN Microdata Management Toolkit