2019

7.6

1956

7.5

2012

5.9

1995

6.9

1963

7.1

2002

8.4

2015

4.6

1993

6.4

2009

7.7

2008

7.0

1997

7.6

2017

8.1

2019

7.9

1994

6.7

2018

6.9

1943

8.2

2009

7.1

2004

6.6

2001

7.8

2006

6.4