2013

6.9

1994

8.9

1994

7.6

2002

5.8

1993

7.5

2001

6.0

1931

8.3

2020

6.1

2021

7.4

2008

5.1

1997

6.1

1985

6.4

2008

7.5

2000

6.0

1998

8.6

2006

5.5

1987

5.5

1985

6.1

2012

8.0

2005

6.9