1966

6.2

2012

9.3

2019

8.7

1973

7.7

2008

5.6

2000

5.5

1987

6.2

2018

4.7

1996

8.0

1990

5.9

1974

6.3

2011

6.5

2005

9.7

1978

6.1

2009

7.1

1963

7.4

2004

7.9

2022

7.2

1987

6.2

2010

6.7