Rank	Countries/Territories	Count	Percent
1	United States	288	33%
2	China	163	18.7%
3	Germany	98	11.2%
4	Japan	28	3.2%
5	United Kingdom	28	3.2%
6	Canada	22	2.5%
7	India	21	2.4%
8	Netherlands	19	2.2%
9	Portugal	15	1.7%
10	Spain	15	1.7%
11	South Africa	13	1.5%
12	Ireland	12	1.4%
13	France	11	1.3%
14	Morocco	11	1.3%
15	Australia	10	1.1%
16	Russia	10	1.1%
17	Singapore	9	1%
18	Poland	9	1%
19	Iran, Islamic Republic of	9	1%
20	Turkey	8	0.9%
21	Syrian Arab Republic	7	0.8%
22	Philippines	5	0.6%
23	Pakistan	4	0.5%
24	Nigeria	4	0.5%
25	Indonesia	4	0.5%
26	Brazil	4	0.5%
27	Guam	4	0.5%
28	Egypt	3	0.3%
29	Ethiopia	3	0.3%
30	Mexico	3	0.3%
31	New Zealand	3	0.3%
32	Taiwan	3	0.3%
33	Sweden	2	0.2%
34	Mozambique	2	0.2%
35	Korea, Republic of	2	0.2%
36	Hong Kong	2	0.2%
37	Colombia	2	0.2%
38	Cyprus	2	0.2%
39	Czech Republic	1	0.1%
40	Denmark	1	0.1%
41	Bulgaria	1	0.1%
42	Belgium	1	0.1%
43	Hungary	1	0.1%
44	Greece	1	0.1%
45	Finland	1	0.1%
46	Algeria	1	0.1%
47	Lithuania	1	0.1%
48	Norway	1	0.1%
49	Ukraine	1	0.1%
50	Sri Lanka	1	0.1%
51	Slovakia	1	0.1%
52	Saudi Arabia	1	0.1%