2017

5.7

1965

6.0

1977

6.8

1972

6.3

2006

6.6

1992

6.3

1974

6.2

1973

4.8

2003

5.1

1975

6.8

2009

7.3

1981

6.7

1978

6.3

1978

5.3

2007

6.9

2003

5.8

1982

6.2

2000

6.1

1988

7.6

2023

6.9