1986

4.5

1989

6.7

1992

7.1

2014

6.7

1960

7.4

2003

4.0

2006

5.2

1995

6.5

2003

6.7

1987

6.5

1988

7.1

2002

3.7

2015

4.9

1997

7.3

2007

6.2

1997

7.1

2002

6.2

2002

6.6

2000

5.9

2022

0.0