2001

6.8

1993

6.6

2008

4.1

1993

6.5

1992

6.7

2007

5.8

1976

7.2

1977

6.6

2015

7.0

2016

0.0

2001

7.7

1980

7.3

1997

6.6

1999

6.3

2002

6.0

2013

5.3

2022

6.0

2007

7.6

1984

5.9

1969

6.4