2019

2.8

1989

7.1

1975

6.8

2003

5.8

2002

5.9

2008

6.2

2017

6.3

1999

7.1

1979

6.7

2007

5.2

1991

7.7

1999

6.4

2003

7.4

1988

6.8

2006

5.4

1937

7.9

2000

7.0

2016

6.5

1998

6.6

1998

7.4