Rank	Countries/Territories	Count	Percent
1	United States	193	31.5%
2	China	123	20.1%
3	Germany	87	14.2%
4	Canada	29	4.7%
5	India	21	3.4%
6	Turkey	20	3.3%
7	France	16	2.6%
8	Iran, Islamic Republic of	13	2.1%
9	Egypt	10	1.6%
10	Indonesia	8	1.3%
11	Viet Nam	8	1.3%
12	Ukraine	7	1.1%
13	Switzerland	7	1.1%
14	Italy	7	1.1%
15	Cyprus	7	1.1%
16	Russia	6	1%
17	Netherlands	5	0.8%
18	Norway	5	0.8%
19	Singapore	4	0.7%
20	Australia	4	0.7%
21	Bulgaria	3	0.5%
22	Hong Kong	3	0.5%
23	Kuwait	3	0.5%
24	Moldova, Republic of	3	0.5%
25	Syrian Arab Republic	3	0.5%
26	United Kingdom	3	0.5%
27	United Arab Emirates	2	0.3%
28	Sweden	2	0.3%
29	Philippines	2	0.3%
30	Iraq	2	0.3%
31	Algeria	2	0.3%
32	Bolivia, Plurinational State of	2	0.3%
33	Bangladesh	1	0.2%
34	Japan	1	0.2%