9.0

1955

7.2

2015

5.9

2002

4.7

1993

5.5

2020

6.8

1988

5.9

2000

5.2

2002

6.5

1953

7.3

1967

7.9

1999

7.2

2010

4.1

8.0

2014

4.5

2009

6.6

2024

6.8

1973

6.7

1969

6.6

1955

6.2