2005

8.5

1982

5.8

2016

6.8

2009

4.7

2007

10.0

1970

6.4

1982

5.2

2005

8.2

2009

4.8

1988

5.5

1999

9.1

1987

5.7

2021

6.2

1989

7.0

1949

5.9

1990

5.8

5.0

2008

4.6

2001

5.6