2017

6.6

2002

6.8

2014

5.2

1989

4.7

1962

7.1

1984

5.0

2002

0.0

1953

6.0

2015

5.7

2017

9.0

2001

7.3

2007

6.6

2017

1.0

2005

6.7

1964

7.9

2004

6.4

2001

6.5

1999

7.3

2004

8.3

2000

7.0