2006

7.0

1971

7.7

2018

4.6

1993

5.0

1994

3.1

2008

6.7

2006

6.5

2004

7.5

1979

5.7

1990

6.5

2015

5.8

2019

6.9

1987

6.1

1989

5.4

2016

4.7

2001

5.9

1959

6.0

2017

5.3

1973

4.0

2005

5.1