2001

7.8

2005

6.2

2002

6.3

2008

6.8

1992

5.0

2023

10.0

1991

5.8

2012

7.0

2016

7.9

2010

7.5

1964

6.4

1989

6.0

2004

3.8

1998

5.8

2016

5.3

2011

5.3

1977

4.1

1984

6.0

1993

7.7

2017

6.7