1991

6.6

1974

5.3

2003

5.3

1991

7.4

2006

5.8

2003

7.3

2018

7.8

2019

6.5

2022

6.1

2005

6.7

1999

7.0

2015

8.0

2022

8.6

2013

6.0

2018

0.0

1982

7.3

2002

5.7

2005

7.0

1966

7.4

2001

7.3