2005

7.3

1977

6.6

1998

6.5

1999

7.7

1984

7.1

1981

8.1

2003

8.1

2003

7.5

1996

6.4

1995

8.2

2001

6.6

2019

5.0

2021

6.4

2019

0.0

2019

0.0

2014

5.2

2000

3.0

2014

8.5

2007

9.0

2002

2.7