2017

6.7

1992

6.8

2002

6.7

1975

5.1

1966

7.2

2014

5.8

1991

7.1

2014

7.4

1973

4.3

2006

6.3

1978

6.3

2020

6.7

1989

6.6

2006

7.4

2000

5.5

1990

6.5

2018

7.1

1957

0.0

1991

7.1

1957

7.4