1987

5.0

1985

6.6

1968

7.4

2022

5.1

1995

7.5

2005

5.8

2018

5.2

1987

6.9

1977

8.0

2003

6.7

2002

9.0

2011

7.1

2016

7.7

2020

6.8

1954

7.2

2012

9.7

1970

7.6

2019

7.3

2017

9.5

2012

5.0