1995

5.5

1964

5.4

1987

7.5

1999

4.7

2005

6.3

0.0

1997

9.7

2006

5.9

2012

7.6

1994

7.8

1987

5.5

1987

7.3

2011

7.6

1984

7.2

1987

6.0

1999

6.0

1986

7.1

1990

7.4

2001

7.6

1999

7.9

1990

4.9

2013

7.7

1986

6.9

1998

7.4

1990

8.0

2014

5.4

2017

6.5

2007

7.5

2017

6.4

1996

7.4

2013

6.3

2021

0.0

1989

6.2