1991

6.1

0.0

2003

8.1

1994

5.9

1993

7.5

2002

6.9

2015

6.7

1986

7.6

1995

8.4

1951

7.7

1947

5.9

1946

6.0

1969

5.9

1973

7.4

1998

5.4

1984

5.9

2007

7.5

1996

6.2

2019

6.2

2014

4.5