Rank	Countries/Territories	Count	Percent
1	United States	422	33.9%
2	China	235	18.9%
3	Germany	165	13.3%
4	France	51	4.1%
5	United Kingdom	44	3.5%
6	Russia	26	2.1%
7	Sweden	25	2%
8	Netherlands	24	1.9%
9	Japan	20	1.6%
10	Korea, Republic of	19	1.5%
11	India	19	1.5%
12	Canada	18	1.4%
13	Australia	17	1.4%
14	Iraq	12	1%
15	Thailand	11	0.9%
16	Philippines	9	0.7%
17	Hong Kong	9	0.7%
18	Greece	8	0.6%
19	Egypt	8	0.6%
20	Chile	8	0.6%
21	Spain	8	0.6%
22	Singapore	7	0.6%
23	Brazil	7	0.6%
24	Italy	6	0.5%
25	Taiwan	6	0.5%
26	Ukraine	6	0.5%
27	Ireland	5	0.4%
28	Belgium	5	0.4%
29	Denmark	4	0.3%
30	Morocco	4	0.3%
31	Turkey	4	0.3%
32	Venezuela, Bolivarian Republic of	3	0.2%
33	Viet Nam	3	0.2%
34	Lithuania	3	0.2%
35	Iran, Islamic Republic of	3	0.2%
36	Cyprus	3	0.2%
37	Libya	2	0.2%
38	Pakistan	2	0.2%
39	Mauritius	2	0.2%
40	Mexico	2	0.2%
41	Moldova, Republic of	2	0.2%
42	Mongolia	1	0.1%
43	Nigeria	1	0.1%
44	Malaysia	1	0.1%
45	Latvia	1	0.1%
46	Austria	1	0.1%
47	South Africa	1	0.1%
48	Qatar	1	0.1%
49	Romania	1	0.1%