2004

4.5

2002

4.7

1981

7.2

1998

6.0

2007

7.1

2013

6.4

2012

5.5

2022

6.8

2003

6.8

2019

10.0

2023

5.3

1974

5.3

1998

4.0

1989

8.0

1999

7.4

2013

6.0

2013

6.7

2012

6.1

1994

5.7

2023

10.0