2008

5.8

1986

5.9

1998

7.0

2009

6.2

2003

5.5

1991

6.4

2012

7.0

2008

6.6

1994

6.8

1941

7.4

2004

5.8

2019

0.0

2021

6.9

1991

8.0

1984

9.0

1985

10.0

1986

9.0

1987

9.0

1970

7.0

1951

7.3