2

•

•

•

•

•

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

Percentages observed 10% or 90% 20% or 80% 30% or 70% 40% or 60% 50%

Margin of error +/- 1.9 points +/- 2.5 points +/- 2.7 points +/- 3.0 points +/- 3.1 points