Rank	Countries/Territories	Count	Percent
1	United States	593	32.1%
2	China	534	28.9%
3	Germany	145	7.9%
4	Australia	118	6.4%
5	India	41	2.2%
6	Japan	28	1.5%
7	Romania	26	1.4%
8	Netherlands	25	1.4%
9	France	24	1.3%
10	Turkey	24	1.3%
11	Spain	22	1.2%
12	Sweden	22	1.2%
13	United Kingdom	20	1.1%
14	Brazil	17	0.9%
15	Singapore	16	0.9%
16	Czech Republic	14	0.8%
17	Russia	12	0.6%
18	Poland	11	0.6%
19	Korea, Republic of	11	0.6%
20	Ireland	10	0.5%
21	Israel	9	0.5%
22	Iran, Islamic Republic of	9	0.5%
23	Canada	8	0.4%
24	Hong Kong	8	0.4%
25	Thailand	8	0.4%
26	Taiwan	7	0.4%
27	Colombia	7	0.4%
28	Palestine, State of	7	0.4%
29	Italy	7	0.4%
30	Mexico	6	0.3%
31	Morocco	6	0.3%
32	Cyprus	6	0.3%
33	Greece	5	0.3%
34	Indonesia	4	0.2%
35	Lebanon	4	0.2%
36	Portugal	4	0.2%
37	Slovenia	3	0.2%
38	Ukraine	3	0.2%
39	Latvia	3	0.2%
40	Algeria	3	0.2%
41	Argentina	2	0.1%
42	Hungary	2	0.1%
43	Luxembourg	2	0.1%
44	Pakistan	2	0.1%
45	Uganda	2	0.1%
46	Saudi Arabia	1	0.1%
47	Philippines	1	0.1%
48	New Zealand	1	0.1%
49	Malaysia	1	0.1%
50	Ethiopia	1	0.1%
51	Belgium	1	0.1%
52	Cambodia	1	0.1%