2017

7.1

1960

7.7

1960

6.7

2001

7.4

1998

8.2

1980

7.1

1988

7.7

2007

7.9

2005

7.3

2007

6.5

2020

6.4

1996

3.5

1981

6.8

2001

6.7

2000

6.8

2006

7.5

2015

5.8

1962

7.6

2023

7.7

2023

6.7