1983

6.6

1969

4.6

1999

6.0

2022

5.0

1976

6.6

1981

7.0

2023

7.7

1992

3.3

2001

7.6

2016

6.3

2005

5.4

1990

7.3

2008

5.0

2008

5.6

2013

4.3

2015

0.0

2003

4.8

2000

6.4

2002

6.5

2001

5.9