1990

6.9

2022

6.0

2002

6.8

2010

8.9

2004

7.5

1990

7.6

1985

7.2

2011

8.0

1975

7.4

2024

7.4

2008

7.6

2015

6.0

2010

7.6

2023

5.3

1999

6.5

2014

7.9

1984

7.3

2017

6.6

1996

7.0

2023

7.6