Survey time

Survey scope

Comparative approach

Result of PPP

Relative price level (PPP exchange rate)

Unite

PPP

1993

2 regions

Bilateral comparison

RMB/Hong Kong dollar

0.47

63%

1999

7 cities

Bilateral comparison and Multilateral comparison

RMB/dollar

4.94

60%

2005

11 cities

Multilateral comparison

RMB/dollar

3.45

42%

2009

Beijing

Multilateral comparison

RMB/Hong Kong dollar

0.63

72%

2011

Nationwide

Multilateral comparison

RMB/dollar

3.506

54%