2009

6.6

2017

3.0

1972

5.9

1989

3.5

1983

4.8

2000

6.7

1993

7.0

1991

6.6

1983

7.0

2017

4.9

1997

6.0

2007

6.9

2005

6.2

2003

6.5

2019

5.3

1996

6.9

1976

5.7

1974

2.8

2009

4.7

2009

6.5