1987

7.1

2001

6.3

2002

4.3

2001

5.4

1995

7.0

1990

4.4

2016

7.3

2008

8.1

1992

7.4

2015

7.8

1994

7.4

1994

0.0

1985

7.7

1997

5.3

1993

4.7

1951

6.0

2001

6.4

1995

4.1

1999

5.8

2005

4.5

1995

7.8

1996

7.1

1989

6.4

1993

8.4

2001

6.2

1994

6.0