2005

6.8

2007

5.3

1994

6.6

2006

6.6

2016

7.3

2003

6.3

2002

6.3

1997

6.1

1979

5.2

1990

0.0

2024

6.5

1998

7.5

1991

6.8

1995

7.3

1991

7.3

1981

7.2

1996

6.7

1918

0.0

2023

5.5

1957

6.8