1984

6.7

1964

7.4

1989

9.6

2014

7.6

2021

9.2

1898

7.2

2002

6.8

2019

6.5

2009

4.6

2019

8.7

2011

7.3

1972

4.0

1963

7.7

1992

5.0

1945

7.0

2014

6.0

2006

5.8

2005

6.4