1994

7.1

1985

5.3

1984

4.3

2018

2.0

1963

7.4

2020

6.2

2001

6.0

1994

7.4

1993

6.3

1991

6.7

2002

6.2

1997

6.8

2005

6.7

2007

10.0

1993

7.2

2008

5.5

2004

7.1

2006

6.5

2000

5.8

1999

6.8