2017

6.8

2018

6.4

1991

5.5

2009

10.0

2007

6.4

1989

6.3

2016

4.7

2016

5.6

2001

7.2

1944

7.6

1999

7.4

2020

7.5

2012

1.0

2014

4.2

1997

6.0

1986

7.1

2016

7.9

1963

6.4

1996

7.4

1997

6.5