1998

6.3

2016

7.2

2010

8.2

2014

7.3

1981

7.9

2003

8.0

1990

7.6

1963

5.7

2015

7.1

2009

8.0

2012

8.4

2004

5.8

1990

7.9

2016

7.2

1999

7.9

2025

6.5

2024

6.6

2016

7.1

1990

8.0

2019

7.8