2001

9.9

2024

7.3

2014

7.1

1972

7.1

2024

8.3

1967

6.5

2012

9.7

1987

6.3

2023

7.2

2007

5.6

1975

7.5

2012

5.7

1985

6.4

2009

7.0

2015

7.8

1982

7.6

1990

6.1

1964

7.4

2016

6.3