1998

6.3

1991

7.4

2023

6.1

2005

6.7

1974

7.5

1997

6.2

1996

5.9

2002

2.1

2008

5.4

2025

6.6

2006

5.8

1958

7.8

2002

5.8

1991

9.0

1978

6.0

1971

7.4

2009

6.8

1971

0.0

2008

7.1

2006

5.8