2020

5.3

1999

7.9

1996

6.8

2004

7.5

2018

7.1

2000

8.0

2001

7.6

1995

7.8

2015

7.6

1976

6.7

2004

8.1

2010

8.2

1982

7.3

2017

6.5

2009

7.7

1999

8.2

2008

8.1

1993

7.9

2010

7.6

2008

7.7