Table 1. Mean annual change in forest growing stock (Δ GS) in countries, 1990–2015, in relation to income level.

	Low-income (LI) (n = 22)	Lower-middle income (LMI) (n = 27)	Higher-middle income (HMI) (n = 29)	High-income (HI) (n = 25)
Δ GS (% per year)	-0.72	-0.29	0.50	1.31
st deviation of Δ GS	0.91	1.32	1.16	0.95