2005

6.1

2007

7.1

1993

7.4

1983

6.5

2016

5.1

2004

5.6

1996

6.4

1925

8.0

1953

7.9

2004

7.2

1988

7.2

2001

6.0

1971

8.2

2021

4.0

2021

6.8

2013

9.0

2012

2.0

2007

6.4

2003

7.2

2000

6.7