2003

6.1

2011

6.6

1982

5.9

1984

6.5

1993

5.5

2014

6.9

6.4

2018

5.9

2018

5.3

2001

8.9

1989

6.2

2024

7.4

1981

7.8

2002

5.5

1986

6.2

5.0

1969

4.9

2011

6.7

2000

5.1

1981

7.2