1990

6.5

1991

5.3

1992

5.7

2018

6.0

1995

5.8

1990

4.1

2022

6.5

2003

7.6

1989

8.0

1993

4.8

2002

4.7

1990

6.4

1988

6.4

1976

2.0

1985

7.1

1994

3.6