2005

4.0

2019

4.6

1987

6.9

1999

6.3

2002

5.8

1996

6.7

1979

7.2

1996

6.1

1998

0.0

2007

5.0

1994

3.2

1992

7.4

2023

5.5

1987

6.9

2007

6.2

1984

7.1

1984

6.6

2017

6.8

0.0

1975

0.0