1992

7.4

2004

6.7

1971

3.5

1930

6.8

2006

6.5

2005

4.9

2002

6.3

1972

6.2

1973

5.2

1968

3.5

1968

3.5

2006

7.4

1999

7.5

1972

3.5

2022

7.4

2004

5.6

2002

5.7

2008

3.3

1992

5.0

2009

5.5