2012

6.8

1988

6.2

2001

6.5

2021

7.8

2008

5.9

2018

8.0

1990

6.3

1987

6.8

2013

5.8

2009

6.9

1973

7.0

2003

7.8

2010

8.4

1982

7.1

1982

7.9

2006

7.4

1989

6.3

1990

6.0

2020

5.7

2005

4.2