1999

5.9

1953

7.2

1990

7.4

2013

6.5

1981

6.6

2022

6.9

2000

6.4

2009

6.7

2005

7.7

1979

8.2

1998

6.0

1997

6.2

2003

7.1

2004

6.4

1983

7.9

2006

7.4

1977

8.2

1999

8.4

2025

6.6

2011

7.4