1998

6.8

1931

8.3

2005

7.3

1997

5.8

1989

6.3

2006

6.9

1939

5.9

2007

7.4

1959

7.3

2004

8.1

2014

5.4

2022

7.1

1952

6.1

1986

7.3

2012

6.9

1930

6.7

2011

7.5

1950

6.6

2012

5.5

0.0