Fig. 5

Shangri-La’s CS by periods (Period 1 is 1987–1992, Period 2 is 1992–1997, Period 3 is 1997–2002, Period 4 is 2002–2007, Period 5 is 2007–2012 and Period 6 is 2012–2017).

Shangri-La’s CS by periods (Period 1 is 1987–1992, Period 2 is 1992–1997, Period 3 is 1997–2002, Period 4 is 2002–2007, Period 5 is 2007–2012 and Period 6 is 2012–2017).