2017

7.5

1961

6.9

2018

6.8

1972

7.9

2001

6.8

2014

7.3

2010

6.7

1970

6.8

2016

5.0

2015

7.8

2000

7.1

1964

7.4

2019

8.1

1996

6.9

2018

6.5

1982

5.2

2015

7.2

1995

5.2

1999

7.2

1956

6.6