1982

4.7

1986

7.7

1995

6.6

1964

7.9

1990

6.1

1996

6.4

1997

6.5

2014

7.4

2004

6.6

2012

0.0

2022

6.0

2005

8.8

1998

7.9

2000

6.2

1996

7.5

2005

7.4

1991

7.8

1999

7.6

2010

10.0

2005

5.0