Rank	Countries/Territories	Count	Percent
1	United States	600	36.7%
2	China	423	25.9%
3	Germany	100	6.1%
4	India	48	2.9%
5	France	36	2.2%
6	Japan	31	1.9%
7	Korea, Republic of	30	1.8%
8	Italy	25	1.5%
9	United Kingdom	25	1.5%
10	Australia	23	1.4%
11	Canada	23	1.4%
12	Israel	22	1.3%
13	Thailand	19	1.2%
14	Singapore	18	1.1%
15	Iran, Islamic Republic of	16	1%
16	Ukraine	15	0.9%
17	Switzerland	13	0.8%
18	Hong Kong	13	0.8%
19	Ireland	11	0.7%
20	Netherlands	10	0.6%
21	Russia	9	0.6%
22	Saudi Arabia	9	0.6%
23	Brazil	9	0.6%
24	Taiwan	7	0.4%
25	Spain	7	0.4%
26	Turkey	6	0.4%
27	Mexico	6	0.4%
28	Lithuania	5	0.3%
29	Bulgaria	5	0.3%
30	Bangladesh	5	0.3%
31	Argentina	5	0.3%
32	Cyprus	5	0.3%
33	Tanzania, United Republic of	5	0.3%
34	Poland	5	0.3%
35	Portugal	4	0.2%
36	Egypt	4	0.2%
37	Chile	4	0.2%
38	Indonesia	4	0.2%
39	Finland	3	0.2%
40	Serbia	3	0.2%
41	South Africa	2	0.1%
42	Sweden	2	0.1%
43	Palestine, State of	2	0.1%
44	Oman	2	0.1%
45	Denmark	2	0.1%
46	Ecuador	2	0.1%
47	Lebanon	2	0.1%
48	Mauritius	1	0.1%
49	Latvia	1	0.1%
50	Hungary	1	0.1%
51	Iraq	1	0.1%
52	Czech Republic	1	0.1%
53	Colombia	1	0.1%
54	Algeria	1	0.1%
55	Pakistan	1	0.1%
56	Norway	1	0.1%
57	Peru	1	0.1%
58	Romania	1	0.1%