2017

5.7

1955

7.3

1985

6.0

2001

6.0

2007

6.7

1996

7.4

1995

6.5

2005

7.0

1995

6.9

1968

5.0

2000

6.4

2003

6.1

2019

9.0

1991

6.4

2004

5.1

1993

6.7

2007

5.6

2001

6.2

1973

7.5

1994

7.0