2016

6.7

1990

0.0

2007

7.6

1997

6.6

1953

6.8

1984

5.6

1999

6.7

1997

6.6

1999

6.9

2006

6.9

2005

7.0

1959

7.9

1997

7.4

2023

3.0

1978

4.6

1955

5.5

2006

5.1

2001

5.0

1957

6.9

1973

5.8