Statistics
		Stratospheric aerosol injection	Marine cloud brightening	Cirrus cloud thinning	Space-based extraterrestrial reflectors	Albedo modification via human settlements	Albedo modification via grasslands and crops	Albedo modification via deserts	Albedo modification via clouds	Ice protection	High-altitude sunshades
N	Valid	15	7	6	7	4	4	4	3	5	4
	Missing	59	67	68	67	70	70	70	71	69	70
Mean		3.60	3.29	3.33	4.43	1.50	2.00	2.75	2.67	2.20	3.50
Median		4.00	3.00	3.50	5.00	1.50	2.00	3.00	2.00	1.00	4.00
Std. deviation		1.724	1.799	1.633	1.512	0.577	0.816	1.500	2.082	1.643	1.732