1954

2.0

2016

6.3

2003

6.7

1979

6.2

1995

5.1

2002

6.8

1993

6.6

1979

6.7

2003

4.1

2008

7.5

2008

6.2

1934

6.4

2017

7.6

1997

6.5

1999

5.6

1998

7.1

2009

6.8

2004

7.5

2000

6.7

2003

6.6