2013

6.0

2022

6.0

1991

5.2

1971

7.5

1994

5.8

1997

6.9

1995

6.5

1998

6.8

2001

5.9

2002

6.2

1991

4.1

2004

6.6

2022

6.2

1999

7.0

1982

8.1

1995

7.2

2007

5.8

1940

6.2

2006

5.9

1990

7.4