1992

5.3

2019

7.9

1999

7.7

1987

6.3

2001

6.4

1990

6.0

1995

7.6

1990

6.0

1984

7.4

1983

5.0

1986

4.0

2019

0.0

2001

8.0

1987

7.3

1975

5.5

2002

7.0

2006

6.1

1999

7.1

6.7

1993

7.7