1990

6.0

1964

7.3

1999

6.3

1942

7.0

2008

5.4

1987

6.5

1971

6.4

2022

5.6

2003

5.9

1998

6.9

2008

6.9

2013

5.7

2004

4.3

1981

6.5

2006

6.0

2001

5.9

1983

6.1

2007

6.5

2006

6.3