2011

6.7

2001

7.5

1998

6.4

1989

5.1

1989

7.2

2009

6.0

2003

7.3

2000

6.7

1966

8.0

2012

5.9

1994

6.5

2007

5.6

1964

7.5

1993

6.7

1962

7.8

2023

7.5

1986

7.4

1956

7.7

2009

8.5

1942

6.9