2001

5.1

1975

5.5

2007

6.5

2008

8.5

1999

3.5

2016

7.2

2006

6.3

2001

7.3

2020

1.0

1976

1.5

1996

6.5

1990

6.6

2020

6.5

1999

6.4

2020

7.0

1970

7.1

2005

6.4

1964

7.1

1980

2.0

2022

1.0