2014

3.1

1991

8.1

1948

6.0

2002

5.6

1997

6.3

2024

6.9

2000

4.8

2008

4.7

2009

6.5

2007

5.3

1999

6.7

2001

6.2

2005

5.4

1977

7.2

1998

6.4

1984

6.2

1998

8.2

1990

7.3

2013

6.4

1986

6.9