1987

7.2

2016

6.1

2007

4.7

1986

4.2

1984

7.6

2016

5.6

1998

3.8

2002

5.9

1997

4.3

1993

6.2

2009

5.3

2021

7.8

2013

6.0

2023

5.6

1992

7.4

2005

5.9

1985

7.7

1996

7.7

2012

6.0

1997

5.6

1991

3.5

2009

4.0

2006

3.8

2012

5.8

2001

8.2

2000

6.6

1997

8.3

2005

8.3

1990

5.8

1995

7.7

1993

8.4

1994

6.1

1989

6.0

2024

6.4