2019

0.0

1988

6.7

2005

6.4

2002

6.7

1968

7.3

2005

6.2

2007

6.2

2001

6.2

2007

6.1

1986

4.4

1934

7.0

2008

1.0

1960

7.5

2007

6.9

2005

6.2

1994

8.3

2003

7.4

2019

6.3

1995

7.2

2007

7.5