1996

4.9

2003

6.5

2009

6.2

2005

6.9

2000

7.6

2005

7.8

2021

5.7

2013

0.0

2022

3.5

1948

8.0

1996

6.8

1991

7.1

2005

5.9

1990

7.0

1987

5.6

2011

5.3

0.0

2006

6.8

1991

6.4

1961

7.3