1994

6.1

2014

5.6

2003

7.3

2012

7.8

1995

7.9

1972

8.7

2008

5.1

1983

7.9

1985

6.4

2023

8.1

2008

6.4

2003

8.0

1994

8.7

2013

7.6

1984

7.7

1977

8.2

2005

7.7

2013

6.1

2007

6.3

2022

7.3