1990

7.0

2017

10.0

2001

8.5

1996

7.7

2021

7.2

2006

8.6

2005

8.0

1998

7.1

2008

7.6

2004

6.5

1995

7.8

2001

8.1

1996

5.4

1976

7.9

1990

7.6

2004

7.8

1994

6.8

2024

7.4

1984

8.4