1984

6.6

0.0

1968

8.1

1982

6.7

2001

7.4

2019

5.4

2002

7.2

2018

6.6

2006

5.3

2007

7.0

2000

7.4

2001

7.6

2013

5.0

2000

6.4

2019

5.7

2006

5.5

1999

6.8

1993

7.5

2002

6.7

2001

6.3