1956

1.7

1998

6.6

1999

5.9

1995

8.5

2001

5.8

1998

5.3

1982

7.3

1994

5.1

1992

7.0

2002

6.7

1992

5.5

1993

6.0

1995

6.0

1997

8.6

1985

5.0

1996

6.7

2000

5.6

2018

0.0

1989

6.0

2016

0.0