2003

7.4

2006

6.3

2025

6.3

1977

6.2

1980

7.1

2001

5.5

1994

6.1

1976

6.5

1975

0.0

2000

7.3

1989

7.3

2017

6.5

2022

5.8

1974

5.3

2010

5.7

2011

5.0

2018

5.9

1978

8.0

1965

0.0

1926

5.8