2003

5.4

2016

5.0

1968

5.2

2012

4.8

1990

8.5

2021

6.4

2007

7.6

1966

6.5

1966

6.5

1965

6.3

1964

6.6

1993

5.9

1999

7.3

1973

7.5

1987

7.7

1966

6.4

2020

7.0

1995

6.5

2004

7.2

2000

6.0