1985

7.9

1983

6.8

2019

8.7

2015

7.7

1972

7.7

1982

7.9

2014

6.3

2006

7.8

2014

8.1

2001

8.1

1990

7.4

1993

7.0

2025

7.5

2004

7.2

2018

7.8

1989

6.0

2017

7.4

1988

6.8

1989

6.6

2010

7.4