1978

4.7

2000

7.1

1992

7.0

2014

6.0

1973

0.0

1966

7.2

2001

6.7

1990

6.7

2016

4.0

2007

7.1

2017

10.0

2024

0.0

1971

5.7

1986

1.0

2016

4.5

2001

6.4

1981

7.0

2023

0.0

2005

6.2

2002

5.2