Year

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

X(%)

19.7

12.1

20.3

25.7

20

21.9

31.4

18.8

9.8

22.3

22.6

15.7

8.2

8.8

6.6

4.8

5.2

Y(%)

0.7

−0.8

1.2

3.9

1.8

1.5

4.8

5.9

−0.7

3.3

5.4

2.6

3.2

1.5

1.4

2

2.2

PPI(%)

−1.3

−2.2

2.3

6.1

4.9

3.0

3.1

6.9

5.4

5.5

6.0

−1.7

−1.9

−2.8

−5.2

1.3