1999

6.6

1968

6.4

2013

6.1

2023

8.4

2014

5.4

2003

6.2

2013

5.1

2013

6.1

6.2

2004

7.8

1958

6.6

1966

6.7

2017

5.0

2010

5.5

2009

7.5

2020

7.3

2020

5.8

2017

7.4

1975

4.9

2017

7.3