1994

6.7

1977

5.4

1963

7.9

2016

6.2

1961

7.8

1951

7.1

1990

6.9

2007

5.6

2010

6.2

1978

8.0

2023

0.0

2002

6.2

2002

6.8

2004

4.9

2006

7.0

2011

0.0

1951

5.8

0.0

2005

4.5

2001

7.9