2003

6.0

1994

8.5

1997

6.1

1961

6.9

2015

7.8

1985

8.3

2010

6.6

2001

7.2

2021

7.2

1994

8.0

1990

7.4

1998

6.0

1990

6.0

2020

6.7

1988

6.9

2008

8.5

2014

5.6

1967

6.8

2006

5.1

1941

7.1