2003

7.3

2005

5.7

2003

5.2

2023

7.0

1999

5.1

1988

6.1

5.8

1989

6.2

2015

7.4

1981

7.4

2017

6.8

2004

6.4

2022

7.3

2022

6.9

1980

5.2

1994

7.5

2009

4.6

1984

5.5

1994

8.0

1991

7.1