2001

5.2

1979

7.3

2011

7.2

2003

6.1

2006

5.8

2015

6.4

1996

5.9

1985

6.7

2008

6.3

2006

5.5

1981

6.9

1966

6.2

2022

7.3

2008

5.1

2006

6.7

2007

6.1

2009

7.8

1998

7.1

1895

5.4

1995

6.3