Subsampling: two-phase design.
Variable: phase
Module:
Sampling and Weights
Subject:
Sample
Survey Questions
Questions associated with this variable:

Subsampling: two-phase design.

Year Availability
Available in 5 of 31 years total. Hover over a year to see ballot information.
72
73
74
75
76
77
78
80
82
83
84
85
86
87
88
89
90
91
93
94
96
98
00
02
04
06
08
10
12
14
16

Summary by Year
Showing All Years
Code Label
1 Phase one - initial cases
2 Phase two - sub sampled cases
0 Not applicable
2004 2006 2012 2014 2016
2364 3636 1486 1731 2294
448 874 488 807 573
0 0 0 0 0
Summary Statistics
Valid cases 18768
Missing cases 43698