2016

7.8

1988

5.0

1954

8.0

1939

7.6

2001

6.7

1996

6.6

2002

7.1

2005

6.4

1997

3.0

2013

5.4

2000

3.0

2001

6.2

1980

3.4

1981

4.1

1983

7.0

1979

5.3

1999

4.0

1997

4.0

1989

5.2

2000

3.0