1998

7.4

1997

7.5

1994

6.0

2022

8.0

2018

6.0

2020

8.3

1990

6.0

2017

7.5

2004

6.8

2001

6.6

1973

6.6

2000

6.9

2020

6.0

1986

7.9

1998

7.2

2018

7.4

2018

8.5

2009

0.0

1996

6.6

2004

7.0