2000

7.3

2006

6.1

1990

6.0

2010

7.5

2000

6.3

2014

6.7

2014

6.9

2007

5.4

1895

5.5

2012

7.8

1986

6.2

1984

7.1

1990

6.3

2022

5.6

1996

6.5

2008

8.5

2002

6.6

2013

6.5

2016

6.1

2011

6.5