2003

6.0

2017

6.9

1993

6.3

1961

7.2

1997

7.5

1975

5.8

1962

7.4

1998

7.0

2007

6.3

2021

5.6

1973

7.5

2013

4.9

2002

6.7

2001

6.9

2000

6.5

1993

7.7

1977

7.3

1995

7.9

1969

1.0

1999

8.0