2006

6.6

1966

6.1

1970

6.3

2019

7.7

1986

6.9

1989

5.4

2011

5.1

1963

6.2

1984

7.1

1956

5.3

1978

6.9

2007

5.8

2004

7.7

1991

8.3

1966

7.0

1984

6.2

2008

7.8

1999

5.8