2015

6.1

2004

5.7

1992

6.6

1895

6.7

1995

6.5

2013

6.1

2011

6.9

1996

6.4

1947

7.7

1982

7.6

1988

6.3

2003

6.2

2017

6.5

1995

7.3

1984

6.6

2009

7.3

2020

6.0

2002

7.5

2000

7.9

2007

7.6