2004

7.0

2001

6.5

1995

6.7

1928

8.0

1931

7.1

1992

7.0

2007

4.7

1994

8.3

2006

7.4

2005

6.6

1966

6.8

2009

6.6

1968

6.7

1975

5.8

2018

6.9

2022

6.2

1990

5.0

1993

4.6

2007

6.6

2006

6.4