1992

6.8

1974

5.3

1990

6.0

2004

6.8

2008

6.6

2016

6.4

1992

6.4

2016

4.3

2006

8.2

2005

6.2

1973

7.5

1987

2.9

2014

5.9

1973

6.4

1985

2.0

1995

3.3

1999

4.3

2022

6.5

1986

6.1

1993

7.0