2007

5.7

2012

7.8

2019

7.4

2015

6.5

2014

6.4

1999

7.2

1967

6.9

1984

6.8

2013

6.6

2017

8.0

2013

7.0

1994

7.9

1991

7.3

1986

5.8

1966

7.7

1995

7.0

1958

7.8

2023

7.7

2014

6.2