1992

6.9

1982

7.8

1962

7.8

2016

7.1

1996

7.1

2011

6.0

1977

8.1

2016

7.1

2015

5.2

2014

7.4

2015

7.8

2014

6.8

2006

7.9

2022

6.6

2013

7.3

2022

6.5

1995

7.7

1990

7.0

1964

7.7

1973

7.0