1987

7.1

1987

7.1

1993

7.2

2004

6.6

2017

8.6

2000

7.6

2019

4.3

2004

7.9

2006

8.2

2000

6.0

1989

6.7

1991

6.5

1997

5.8

2023

5.7

2009

5.8

1984

7.5

1999

4.8

2003

7.6

2009

7.5

1992

4.9

1991

4.8

2023

1.5

1990

5.6

2009

7.6

2021

7.5

1998

6.1