2014

5.0

1994

8.5

1997

7.9

2010

8.2

1999

8.0

1985

8.3

2019

7.4

2002

7.1

2015

7.6

1982

6.8

1998

7.8

1960

8.4

1939

7.9

2019

8.1

2010

7.7

2014

7.7

2004

7.2

1987

8.1

2010

8.4

2023

8.0