2014

5.8

1999

8.0

2020

2.0

0.0

1998

8.3

2010

5.4

1998

8.3

1996

6.9

2002

5.9

2004

7.5

2019

5.0

1984

8.1

1995

7.3

1992

7.4

1994

6.6

1994

7.6

1972

8.1

1986

6.4

1999

7.7

2006

6.0