1984

6.3

1973

7.7

2010

6.6

1993

5.5

2003

6.3

5.7

2009

5.6

1990

6.5

2020

8.4

2003

5.8

1993

6.5

2019

7.3

2008

7.1

1963

7.9

2014

4.5

8.0

2001

5.6

2009

6.7

2020

6.1

2002

6.1