2002

7.0

1970

7.1

2004

8.1

1990

6.9

2004

6.0

1994

7.0

2006

7.1

2018

5.5

2017

5.5

1972

6.9

2002

5.2

2000

7.1

2005

4.3

2004

6.1

2004

7.2

2003

6.7

2002

6.6

2014

3.9

1979

7.7

1998

6.6