1987

7.6

1990

8.5

1981

3.8

1965

6.4

2010

5.0

2019

0.0

2017

6.3

2005

7.1

2000

6.5

2016

7.0

2017

6.6

0.0

2021

6.7

1988

9.0

1991

7.1

2004

6.6

2019

6.4

1914

0.0

1966

0.0

2006

6.5