2001

7.8

1979

5.7

2017

5.4

2005

4.5

1995

7.5

1970

7.2

2003

4.1

1997

6.1

2008

6.2

2002

7.1

1974

7.5

2002

5.4

1995

6.3

1965

6.4

2006

7.4

2023

6.3

1991

8.3

1996

7.8

1993

6.2

1938

4.7