1987

7.1

2019

7.5

1987

1.0

1990

7.4

1993

5.4

1997

5.5

2005

8.3

2000

7.6

1965

6.0

2013

5.9

2009

7.7

1994

7.8

1994

4.2

1993

4.0

2007

5.1

1988

3.5

1991

4.0

1997

5.5

2017

5.4

1997

4.2

1989

5.0

1996

1.7

1992

2.5

1995

7.8

1988

6.4

2004

0.0

2003

7.2

2000

6.0

1997

6.7

1998

5.3

1996

7.2

1998

5.6

1991

4.9

2001

7.0

2008

8.4

1991

5.1

1993

8.4

1989

4.6

1998

3.1

2001

0.0

2023

7.4