1990

6.2

2008

3.2

2007

7.3

2007

5.9

2019

5.7

1979

7.0

2016

0.0

2002

7.8

1987

6.6

1982

6.8

2020

5.5

1998

7.4

1998

7.1

1964

6.1

2005

7.5

1996

7.1

2002

5.3

2020

0.0

2020

5.0

1988

8.4