1895

5.5

1925

7.3

1960

6.2

2019

5.4

2019

5.4

2020

7.1

1990

6.1

1992

6.5

1982

6.5

1998

8.9

2009

6.7

2009

8.8

2017

6.4

1904

7.3

2006

7.3

1933

7.2

2016

8.0

2015

5.6

1978

6.9

2016

5.8