1982

6.7

2006

5.3

2007

6.2

1988

6.3

2000

6.9

1978

7.6

2014

4.1

1980

8.2

1992

6.8

2003

6.2

1998

7.1

2021

0.0

2020

6.3

1974

5.0

2024

5.2

2014

5.4

2018

4.7

2021

6.4

1994

6.7

1992

7.4