2010

6.1

2011

2.0

2023

7.3

1991

5.7

2002

7.4

2006

6.3

1976

5.3

1966

6.8

2000

7.3

1987

7.1

1961

6.8

1999

0.0

1993

7.9

2013

0.0

2018

0.0

2020

4.3

1972

7.4

2007

6.5

2016

7.0

1996

7.3