1997

7.4

1973

7.1

1995

8.0

1996

7.9

1961

0.0

1997

6.3

1994

5.4

2010

7.2

1998

5.6

1994

6.8

1992

2.0

1986

5.4

2002

6.0

1936

7.5

2008

5.3

2019

5.9

1995

4.8

2020

10.0

1993

6.7

1995

6.7