2011

6.4

2011

7.6

1985

6.5

2013

6.9

2020

6.4

2023

6.4

2006

6.9

1996

6.5

2024

6.6

7.1

2008

6.7

1982

6.7

1999

6.8

2002

6.5

1969

7.7

1988

6.5

2008

6.8

1984

7.2

2005

8.3