1990

5.5

1990

5.6

1998

5.5

1999

6.0

1996

7.3

1977

6.3

1997

5.3

2008

7.9

2000

7.1

1980

7.0

1985

5.7

1980

6.5

2018

6.2

2016

7.3

1989

0.0

2017

8.2

2023

6.4

1978

5.8

2011

5.3

1977

4.5

2004

6.4

1990

0.0