Rank	Countries/Territories	Count	Percent
1	United States	541	40.8%
2	China	362	27.3%
3	Germany	134	10.1%
4	Japan	67	5.1%
5	India	43	3.2%
6	United Kingdom	16	1.2%
7	Netherlands	14	1.1%
8	Singapore	13	1%
9	Brazil	12	0.9%
10	Canada	12	0.9%
11	Spain	11	0.8%
12	France	10	0.8%
13		10	0.8%
14	Russia	7	0.5%
15	Italy	7	0.5%
16	Taiwan	7	0.5%
17	Korea, Republic of	6	0.5%
18	Hong Kong	5	0.4%
19	Mexico	5	0.4%
20	Malaysia	4	0.3%
21	Egypt	4	0.3%
22	Sweden	4	0.3%
23	Ukraine	3	0.2%
24	Kenya	3	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Ireland	2	0.2%
27	Australia	2	0.2%
28	Costa Rica	2	0.2%
29	Cyprus	2	0.2%
30	Switzerland	2	0.2%
31	Zimbabwe	1	0.1%
32	Czech Republic	1	0.1%
33	Belgium	1	0.1%
34	Argentina	1	0.1%
35	Israel	1	0.1%
36	Lebanon	1	0.1%
37	Jordan	1	0.1%
38	Kazakhstan	1	0.1%
39	Mongolia	1	0.1%
40	Nicaragua	1	0.1%
41	Palestine, State of	1	0.1%
42	Portugal	1	0.1%
43	Romania	1	0.1%