1962

3.2

2014

6.5

1949

5.7

2007

7.4

1986

6.7

2008

6.1

1990

7.3

2014

7.2

2002

6.5

2008

6.4

2001

6.1

2008

7.3

2019

0.0

2020

0.0

2017

7.3

1981

8.0

1960

6.7

2014

8.8

1942

10.0

2004

7.5