Figure 2

Time series of Baidu Composite Index in China from 2011 to 2016. This figure displays the three-dimensional changes in the year and month timescales of Baidu Composite Index from 1 January, 2011 and 31 December, 2016. (The X-axis date interval is month; the Y-axis time interval is year; the Z-axis is the national Baidu Composite Index (Baidu CI).