2004

8.3

2014

6.2

1998

7.2

5.8

2001

6.6

2004

8.6

1997

8.1

1964

7.9

2021

6.9

2021

7.3

2001

7.2

1971

7.4

2003

8.2

2023

7.2

1986

8.5

1996

5.3

1983

7.8

2011

7.6

1973

8.0

2004

5.7