2015

6.1

2004

6.1

1947

7.7

2013

7.6

1989

5.1

1939

7.6

2012

8.2

1985

6.1

2008

6.8

2000

7.9

1990

6.0

1986

7.0

2012

5.9

2023

6.3

1948

7.0

1987

6.3

2011

6.7

1961

6.9

1998

7.5