2001

7.1

1993

7.4

2000

7.0

1999

8.4

1971

6.4

1989

6.9

2006

7.1

2009

0.0

2006

4.9

2000

5.8

2022

5.2

2014

6.7

1996

7.2

2004

6.6

2013

3.9

0.0

1927

8.1

2004

5.6

1985

7.7

1982

7.9