2001

7.7

2004

7.3

2003

5.7

2008

5.2

2015

6.3

2017

6.0

2004

6.5

1997

5.5

2004

5.3

1959

6.1

1999

7.6

2001

7.2

1996

6.7

2017

6.6

1998

6.2

2004

6.2

2000

7.1

2017

7.2

2024

8.8

2002

7.4