Rank	Countries/Territories	Count	Percent
1	United States	537	41.5%
2	China	264	20.4%
3	Germany	176	13.6%
4	Japan	51	3.9%
5	South Africa	48	3.7%
6	India	33	2.6%
7	United Kingdom	16	1.2%
8	Taiwan	14	1.1%
9	Netherlands	14	1.1%
10	Australia	12	0.9%
11	Brazil	12	0.9%
12	Canada	12	0.9%
13	France	11	0.9%
14	Singapore	10	0.8%
15	Iran, Islamic Republic of	9	0.7%
16	Cyprus	8	0.6%
17	Spain	8	0.6%
18	Ireland	7	0.5%
19	Indonesia	6	0.5%
20	Hong Kong	6	0.5%
21	Argentina	6	0.5%
22	Nigeria	6	0.5%
23	Romania	3	0.2%
24	Croatia	3	0.2%
25	Bangladesh	3	0.2%
26	Israel	2	0.2%
27	Russia	2	0.2%
28	Poland	2	0.2%
29	Thailand	2	0.2%
30	Turkey	2	0.2%
31	Korea, Republic of	2	0.2%
32	Lebanon	1	0.1%
33	Kenya	1	0.1%
34	Norway	1	0.1%
35	Philippines	1	0.1%
36	Sweden	1	0.1%
37	Saudi Arabia	1	0.1%
38	Italy	1	0.1%