US

2008

2009

2010

2011

2012

2013

2014

2015

Mean

Beijing

2%

0%

1%

1%

2%

1%

3%

7%

2%

Shanghai

7%

4%

2%

2%

4%

Chengdu

2%

0%

0%

1%

0%

Guangzhou

0%

6%

0%

5%

2%

3%

Shenyang

0%

0%

1%

0%