2014

5.5

1968

3.9

2018

5.9

2005

4.3

2007

5.9

1967

7.5

1989

6.8

1993

4.6

1964

7.3

2005

5.8

1989

5.7

1989

6.7

2002

5.1

2018

6.6

2017

6.5

0.0

2004

7.3

2007

7.4

1970

6.1

2007

7.9