2015

7.4

1984

6.8

2007

6.0

1992

6.2

1994

8.0

2013

7.2

2002

6.8

1989

6.9

2018

7.7

1935

6.8

2009

5.3

1956

6.7

1995

6.7

2006

6.6

1951

7.1

1958

6.0

1984

8.0

1981

8.1

2007

6.7

2019

8.1