2005

7.8

7.8

2002

8.4

2010

7.9

2022

7.4

2013

7.5

2009

7.6

1969

7.7

1989

7.6

2015

6.0

1989

7.1

1983

4.4

2013

6.9

1999

8.2

2025

5.0

2019

7.2

1960

6.4

2001

5.9

1984

6.2