1971

6.2

2018

7.5

2005

6.9

1969

7.8

2006

5.3

2002

5.3

2016

7.2

2022

0.0

1937

5.5

2008

7.6

2008

4.8

2001

6.6

2001

6.8

1978

6.3

1989

6.1

1998

7.1

1988

6.6

2006

5.4

2004

6.4

1997

7.1