1993

7.7

2003

7.9

1990

6.9

2016

7.1

2023

7.8

2021

8.2

2014

8.3

1982

7.8

1998

7.1

2005

8.3

2024

7.6

2011

7.4

2010

7.4

2023

8.8

1989

7.7

2006

8.2

2024

7.5

2001

8.6

2015

7.4

2008

8.1