2017

6.8

1969

7.6

2010

7.1

1996

7.6

1982

5.4

2021

1.0

1989

7.3

2015

7.4

2017

6.1

2001

7.0

2017

6.6

1971

6.9

2008

7.2

1973

7.5

1926

7.9

2018

7.3

2013

6.6

2008

8.0

2002

4.7