2018

6.8

2010

7.0

1991

6.2

1978

5.9

2022

7.3

2006

6.0

2019

7.0

2019

8.1

1989

5.5

2013

6.1

2008

6.5

2000

7.3

1987

5.9

2017

6.1

1962

6.9

1999

5.9

2019

6.5

1985

7.2

1985

6.7

1971

6.0