1990

7.0

2021

7.6

1996

5.3

2009

7.9

1988

8.1

5.8

1992

8.2

1997

8.0

1994

8.4

2016

8.6

2003

8.2

2005

8.2

1993

6.6

2016

8.6

1996

8.0

1995

7.0

1998

7.1

2004

8.2

2022

8.5

2014

8.4