2018

6.0

2001

6.4

2002

4.3

1989

5.8

1958

5.5

1996

5.3

2009

6.0

2011

5.9

1949

6.9

2011

6.2

1999

2.0

2016

5.0

2004

4.6

1972

6.1

2000

5.8

1959

6.7

1994

5.5

2004

5.6

1982

6.6

1984

7.7