2017

6.1

1990

10.0

2005

7.3

1977

6.6

2004

7.0

2006

7.6

1997

8.2

2003

7.2

1997

8.3

2000

7.9

2002

7.5

1995

7.2

1986

8.0

2002

7.5

2011

5.1

1995

0.0

1997

7.4

2021

9.0

1999

7.8

1984

7.1