The percentage of people who might still change their minds at the beginning of the 1983 campaign ...

50%

2015

2010

2005

2001

1997

1992

1987

1983

... is comparable to the end of the 2015 campaign

50%

... is comparable to the end of the 2015 campaign

The percentage of people who might still change their minds at the beginning of the 1983 campaign ...

2015

2010

2005

2001

1997

1992

1987

1983

50%

... is comparable to the end of the 2015 campaign

The percentage of people who might still change their minds at the beginning of the 1983 campaign ...

2015

2010

2005

2001

1997

1992

1987

1983