1895

6.7

2005

5.8

2011

6.7

2011

6.2

1996

7.5

1986

6.6

1920

6.4

1989

7.2

1991

7.5

1984

6.4

2015

7.4

1969

7.8

2009

4.6

2019

5.5

2004

6.5

1962

7.8

1988

6.1

1996

6.4

2016

7.2