2001

7.8

1983

5.8

1999

7.0

2002

6.3

2019

8.1

1955

7.9

1946

7.6

1968

7.1

1986

7.6

1995

7.9

1979

7.1

1993

6.6

2006

6.1

1975

6.7

1996

5.9

2001

6.2

1989

6.6

2008

7.3

2008

5.6

1941

7.1