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	44	37	33	39	32	28	27	24	32	29
	Missing	30	37	41	35	42	46	47	50	42	45
Mean		3.84	4.11	4.55	4.82	2.16	2.86	3.15	4.21	3.56	4.48
Median		4.00	4.00	5.00	5.00	2.00	3.00	3.00	4.00	4.00	5.00
Std. deviation		1.328	0.966	0.794	0.451	1.194	1.239	1.167	0.884	1.268	0.911