2007

7.3

1981

6.7

2019

4.6

1996

6.5

2014

4.9

2002

6.2

1986

6.2

1999

6.8

1977

6.8

2003

5.3

1958

7.5

2007

6.5

2006

6.8

1993

6.3

1991

6.7

2002

6.2

2005

6.7

1985

6.4

1971

6.8

1985

7.2