2002

6.0

1993

7.2

1995

5.9

1994

6.1

2011

4.0

2007

6.5

2003

6.0

2002

5.9

1964

7.6

2002

6.3

2001

7.8

2024

10.0

2004

6.2

1980

8.2

1992

6.8

2006

6.3

2007

6.9

2007

6.1

2016

6.9

2024

6.7