2005

8.3

1975

7.0

2021

8.1

2019

8.0

1985

7.5

1988

6.8

2004

8.0

2020

7.3

2018

7.0

1978

7.2

1990

7.4

1989

6.0

2015

7.4

1960

7.6

2006

7.4

2019

8.6

2010

7.8

1966

7.3

2006

7.5

2013

7.1