2003

6.1

2024

7.0

1991

7.1

2020

7.0

1980

8.0

1998

6.9

1999

6.8

1996

5.8

1989

7.5

1972

7.9

2016

5.6

2003

7.2

1994

7.3

2007

8.1

1982

7.6

2013

5.3

1956

7.0

1993

7.0

1992

7.4

2014

7.1