2010

6.2

1977

6.7

2009

4.5

2013

6.7

2011

5.7

1980

8.5

2002

6.3

2013

5.8

2002

8.1

1953

7.1

2011

5.6

2001

5.0

1994

6.5

1968

6.5

2004

7.4

1987

7.6

2021

6.4

1987

8.0

2000

6.1

2003

5.2